困难

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

On average, each reader produced about 17 (total 490) reading difficulties, which occurred at the level of single word, nominal group, clause and clauses, sentence, and above.

平均每一个人遭遇到17个阅读困难（一共490个阅读困难），这些困难可能发生在单词、名词组、小句内、小句间、或文本句的层次之上。

The most common complaint is shortness of breath, chiefly exertional dyspnea at first and then progressing to orthopnea, paroxysmal nocturnal dyspnea, and rest dyspnea.

最常见的主诉是气短，最初主要是劳力性呼吸困难，然后发展成端坐呼吸，阵发性夜间呼吸困难和静息状态下呼吸困难。

To sink under trouble is to double the weight, and he that will die in it, shall die in it.

遇到困难就意志消沉下去那就等于增加双倍的困难，自愿死在困难里面的人是必定会死在里头的。

Some parents whose children are confronted with the harsher realities in everyday life may wonder whether it's a good idea to let them see even more suffering and distress. Other parents may worry that exposing kids to a harder side of life than they've seen before could traumatize the children.

有些家长对孩子在日常生活中遇到的困难，会考虑是不是应该让他们多经历一些这样的痛苦或者困难；而另一些家长会担心如果孩子遇到前所未有的困难会让他们身心受到伤害。

The study, which verified the discrepency of metacognition in reading between the children of LD and the excellent comprehender, can efficiently guide the teaching of reading and improve their reading faculty .

研究学习困难学生的阅读元认知，探明学习困难学生与优生在阅读活动中的元认知差异，不仅可以进一步丰富和发展元认知理论，而且还可以有效地指导阅读教学，提高学习困难学生的阅读水平。

Confronted with the complicated domestic and international situation,we should recognize the favorable conditions and positive factors ineconomic and social development, and strengthen our resolve andconfidence in overcoming difficulties.

在错综复杂的国内外形势下，我们既要看到经济社会发展的有利条件和积极因素，坚定战胜困难的决心和信心；又要充分估计形势的不确定性、不稳定性，保持清醒头脑，增强忧患意识，宁可把形势估计得严峻一些，把困难考虑得充分一些，做好应对更大困难的长期准备。

Results Among the 35 cases, 31 cases (88.6%) were chronic bedrest, 22 cases (62.9%) were dyspnea, 19 cases (54.3%) were thoracalgia accompanied with or not feeling of impending death, 5 cases (14.3%) were syncope, 7 cases (20%) were PE triad. Among 35 cases, 17 cases were clinical cure, 15 cases were improved, 3 cases died (2 cases had breathing and cardiac arrest, 1 case was complicated with diffuse intravascular coagulation and alimentary tract hemorrhage).

结果 35例PE患者中长期卧床者31例(88.6%)，突发呼吸困难或呼吸困难加重22例(62.9%)，胸痛伴或不伴濒死感19例(54.3%)，晕厥5例(14.3%)；有胸痛、呼吸困难、咯血典型PE三联征者7例(20%)。35例PE患者中，临床治愈17例，好转15例，死亡3例（2例出现呼吸心跳骤停，1例合并弥漫性血管内凝血及消化道出血）。

Meanwhile, the author specially points out the difficulties that those theories have to face, analyses their origins. And through introducing context, the author advances a program that looks explanation as triadic relation among theory, fact and context.

本文在考察这些理论的同时，特别地指出了它们所面临的困难，分析了困难的根源，并为克服这些困难找到了一个途径，这个途径就是引进语境，走向解释的具体，把解释建构成理论、事实和语境的三元关系。

There is first to note that, whereas in other principalities the ambition of the nobles and the insolence of the people only have to be contended with, the Roman emperors had a third difficulty in having to put up with the cruelty and avarice of their soldiers, a matter so beset with difficulties that it was the ruin of many; for it was a hard thing to give satisfaction both to soldiers and people; because the people loved peace, and for this reason they loved the unaspiring prince, whilst the soldiers loved the warlike prince who was bold, cruel, and rapacious, which qualities they were quite willing he should exercise upon the people, so that they could get double pay and give vent to their own greed and cruelty.

首先应该注意的是：在别的国家里，君主只需要同贵族的野心、同人民的傲慢不逊进行斗争就行了，可是罗马的皇帝们却有第三种困难：必须容忍他们的军队的残暴与贪婪，而这是一件很困难的事情。它曾经是很多皇帝灭亡的原因，因为要同时满足军队和人民这两方面是困难的。这是因为人民酷爱和平，所以总是喜爱温和谦逊的君主；而另一方面，军队却喜欢具有尚武精神的、残暴贪婪的君主。军队希望君主用后一种品性对待人民，使自己能够获得加倍的军饷，让自己的贪心和残酷性得逞。

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。