对...必需

" Tyrosine: One of the amino acids, not essential for humans unless they have the hereditary disorder phenylketonuria."

酪氨酸：一种氨基酸，对人体不是必需的，但患有苯丙酮尿症的人群除外。

It has to be clear that running such a long-term project means to get involved with the other people inside it - which means that it isn't as easy to give a shit about their thinking and feelings as it is in individualised life.

必需明确，运营这样一个长期的项目意味着与其中的其他人有千丝万缕的关系——这就是说在个性化的生活中它并不是像对他们的思想和感受取笑那样简单。

These essential fatty acids are needed to form important prostaglandins that maintain and regulate vital body functions.

这些人体必需脂肪酸对前列腺素的产生有很大贡献，帮助维持和调节很多重要生理机能。

The rainforests are very important to us.

水对所有植物是必需的。

As it implies returning consumer activity, it should help con- sumer discretionary stocks most.

由于它意味着消费行为重新活跃，因而对非必需消费品类股最有利。

Kelso says donors need to monitor aid money carefully and foreign businesses and investors should not turn a blind eye to corruption by agreeing to pay bribes.

凯尔索说，援助国必需对援助款项进行谨慎的监督，而外国企业和投资商不应当无视腐败现象而同意支付贿赂。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。