需 的英文翻译

necessaries

need

require

需 的中文句子和英文句子

（氨基酸）非必需的是正常的运转所需要的物质的，但因为机体有从其它营养成分合成它的能力，因此不需要被包括在日常的食物中的

Being a substance that is required for normal functioning but does not need to be included in the diet because of the body's ability to synthesize it from other nutrients.


这些衣箱太沉了，我们需要一辆小手推车。

These suitcases are too heavy to carry; we need a trolley.


需要是发明之母。

Necessity is the mother of invention.


她需要把阿拉伯语学好才能到开罗工作.

She needs to perfect her Arabic before going to work in Cairo.


这地板需要好好清扫一下。

This floor needs a good sweep.


我们每天需要些钙。

We need some calcium everyday.


这本书理论性太强，我需要一本实用的。

This book is too theoretical; I need a practical one.


好氧菌需要氧气生存的有机体，例如细菌

An organism, such as a bacterium, requiring oxygen to live.


她显然需要帮助。

Obviously, she needs help.


周转，停航时间轮船、飞机或其它交通工具装货、卸货及维修的过程成所需时间

The process of or time needed for loading, unloading, and servicing a ship, an airplane, or other vehicle.