英文e开头的必须的怎么写？
充分条件（sufficient condition ）； 必要条件（ prerequisite）； 充分必要条件（sufficient prerequisite）； 必要充分条件（necessary sufficient condition）.
must 主观上必须 have to 客观上必。
It's necessary for your English study to remember the rules of grammar.
你好！ 必要的： necessary essential neede。
没有必要可以直接翻译为，there is no need，也可以翻译为you don't have to
[ ] english for half an hour in the morning.
It's necessary for your English study to remember the rules of grammar.
necessary 必要的 significant/important/vital/crucial 重要。
楼主你好：孩子们经常和父母交流是有必要的 英文翻译为：The children and parents often exchange is necessary ！！！！！ 楼主 你上下百度找下英语在线翻译就好了！。
①.requiste
②.英文e开头的必须的怎么写？
③.英语怎么说
④.have to 必须；不得不；只好 短语 have power to nullify 有权撤销 have been to 曾经到过 have something to eat 弄点可吃的东西来 have relationship to 多注重 例句 1、I think this is what we have to do. 我想这将是我们必须要做到的事情..。
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①.requiste
②.It's sure. 希望可以帮到。
③.必要的 necessary essential indispensable 关联词条: needful imperative obligato requisit。
④.正在被执行 is being executed 你需要的是 what you need is 是必要的 it's necessary
⑤.[ ] english for half an hour in the morning.
英语怎么说
necessary [ˈnesisəri] adj. 必要的; 必需的 It took me a year to get the necessary materials together. 我花了一年的时间才把所需要的资料组织好。 必然的; 不可避免的 Because the company was doing more business it was neces..。
It is necessary. It is mandatory. It is needed。
It's necessary for us to learn English.
It´s necessary for sb。
