必须地

The allocation problem has never been discussed in traditional circuit theory but has to be settled in electricity market.

输电网损是电力市场运作的成本之一，必须合理地分配给市场中的各个交易或各市场成员，这是传统的电路理论未曾涉及，而现在电力市场必须解决的新问题。

If you choose to make it an applique using satin,please do a much outline must be better executed,all leather edges must be caught by black outline.

如果您选择使它成为贴花用缎子，请得多大纲必须更好地执行，所有的皮革边必须捕获的黑色轮廓。

Deviation or delay in prosecuting the voyage contemplated by the policy is excusedWhere arthorised by any special term in the policy ;or Where caused by circumstances beyond the control of the master and his employer;or Where reasonably necessary in order to comply with an express or implied warranty;or Where reasonably necessary for the safety of the ship or subject-matter insured; or For the purpose of saving human life, or aiding a ship in distress where human life may be in danger; or Where reasonably necessary for the purpose of obtaining medical or surgical aid for any person on board the ship;or Where caused by the barratrous conduct of the master or crew, if barratry be one of the perils insured against.

（1）船舶在进行保险单预期的航次中，下述绕航或延迟可允许：保险单中任何特别条款授权许可者，或船长和其雇员不能控制的情况造成的；或为遵循明示或默示保证所合理必须的；或为船舶和保险标的的安全所合理必要的；或为了救助人命或为援助有人命危险的遇难船舶；或为船上任何人员及时得到内、外科治疗所合理必要的；或如果"船长、船员恶意损害被保险人利益的行为"系承保风险，由于该恶意行为造成的。（2）一旦允许绕航或迟延的原因停止作用，船舶必须合理尽速地回复原航线并继续其航程。

Deviation or delay in prosecuting the voyage contemplated by the policy is excusedWhere arthorised by any special term in the policy ;or Where caused by circumstances beyond the control of the master and his employer;or Where reasonably necessary in order to ply with an express or implied warranty;or Where reasonably necessary for the safety of the ship or subject-matter insured; or For the purpose of saving human life, or aiding a ship in distress where human life may be in danger; or Where reasonably necessary for the purpose of obtaining medical or surgical aid for any person on board the ship;or Where caused by the barratrous conduct of the master or crew, if barratry be one of the perils insured against

（1）船舶在进行保险单预期的航次中，下述绕航或延迟可允许：保险单中任何特别条款授权许可者，或船长和其雇员不能控制的情况造成的；或为遵循明示或默示保证所合理必须的；或为船舶和保险标的的安全所合理必要的；或为了救助人命或为援助有人命危险的遇难船舶；或为船上任何人员及时得到内、外科治疗所合理必要的；或如果"船长、船员恶意损害被保险人利益的行为"系承保风险，由于该恶意行为造成的。（2）一旦允许绕航或迟延的原因停止作用，船舶必须合理尽速地回复原航线并继续其航程。

14What do they mean? 15You should be quiet. 16We shouldn't walk on the grass. 17We must read English every day. 18make noise 19only four years old 20his cousin 21some public signs 22Keep off the grass 23on the bird's cage 24on the birds' cage 25stay away from the building 26know a lot about stamps 27No smoking 28No littering 29No parking 30Do not touch 31No eating or drinking 32a ten-yuan note 33look around 34fine ten yuan 35a park keeper 36point to the sign 37quickly walk to the grass 38see something on the grass 39 There is no one nearby. 40You shouldn't litter. 41That sign means 'Danger'.42We should keep off the grass. 43We shouldn't smoke. 44You shouldn't park your bike here. 45You shouldn't eat or drink. 46the boy in the green sweater 47shake my head 48want bread for breakfast 49put your rubbish in the bin 50We must stay away from it.

15你应该保持安静。16我们不应该走在草地上。17我们必须每天读英语。18发出声音 19仅仅四岁 20他表妹 21一些公共标志 22禁止践踏草地 23在那只鸟笼上 24在那些鸟笼上 25远离那幢大楼 26懂得许多关于邮票27禁止抽烟 28禁止乱扔垃圾 29禁止停车 30禁止触摸 31禁止吃喝 32一张十元钞票 33看看四周 34罚款十元 35一位公园管理员 36指向那个标志 37快速地走向草地 38看到某物在草地上 39附近没有一个人。40你不应该乱扔垃圾。41那个标志意思是"危险"。42我们应该勿踏草地。43我们不应该抽烟。44你不应该把你的自行车停在这里。45你不应该吃喝。46穿着绿毛衣的男孩 47摇我的头 48想要面包做早餐 49把你的垃圾放在垃圾箱里。50我们必须远离它。

It has to be tall because it is like a giant block and tackle, and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.

井架必须很高，因为它像一个巨型滑轮组。我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。

It has to be tall because it is like a giant block and tackle, and we have to lower into the ground NEW CONCEPT ENGLISH-BOOK FOUR and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.

井架必须很高，因为它像一个巨型滑轮组。我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。

It has to be tail because it is like a giant block and tackle, and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom

井架必须很高，因为它像一个巨型滑轮组。我们必须把很大的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。

It has to be tall because it is like a giant block and tackle ,and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are roated bu an engine at the top and are fitted with a cutting bit at the bottom.

井架必须很高，因为它像个巨型滑轮组。我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。

It must be deep enough to leave about two feet of water beneath the keel of the largest boat using the canal.

运河必须足够宽，能让两艘最大的船轻易地对开而过；它还必须足够深，能让最大的船的龙骨与河底保持两英尺左右的距离。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。