必需

Shasta and Crater Lake, we had to go through the farmland. It is a fact that we can see it at the ground level in the cars but the aerial view presents a different perspective of the scenery.

Shasta和Crater Lake前，我们必需先穿越农田，坐著车子就能看到地平面是事实，但是从空中俯瞰却能对风景提供不同的视野。

Therefore , recollections of the past become the main means of expressing life , the life instinct and local emotion become the power , the childhood leads to the pursuit of the beauty of human nature, the vision of recollections of the past cause the artist's aesthetic psychological distance , which helps their style created .

于是，忆旧成了他们的主要表达方式，"生命本能-乡土情结"构成忆旧动力，童年指向人情、人性之美的追寻，忆旧视角的运用也造成了艺术家所必需的审美心理距离，助成了他们的文体创造。

Network connection isn"t affixation of computer any more, and becomes necessary. Connection doesn"t tightly relate to physics location, and becomes a concept independence of location.

网络连接不再是计算机附加成分，而成为必需；而且连接不再与物理位置紧密相关，成为独立于位置的概念。

We may ask outside the law ,' Did he kill those men intentionally?' Inside the law the cognate question is ' Did he kill them with such malice aforethought as is required to constitute murder?

而在法律范围内，同一性质的问题则是"他是基宇[MS19] 法律规定为构成谋杀所必需的恶意预谋而杀死他们的吗"？

This is an essential part of the ageing process.

这是酒在成熟过程中必需的一部分。

In our pioneering days this aggressiveness was essential to survival. Now it can be a menace to society.

在拓荒时代，这种攻击性是生存所必需的，但现在可能是一种对社会的威胁。

I must admit that I do not know, that is my intellectual responsibility, I am agnostic.

我必需承认我不知道，那是我的知性道德责任。

What many people want is sleep, and the physical ailment attended to.

在这里我们看见：身体的保重是必需的。

Air,as well as water,is need to make plants grow.

空气和水一样是植物生长所必需的。

Air as well as water is needed to make plants grow.

空气同水一样，是植物生长所必需的。

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。