| 单词 | necessary |
| 释义 | 🔑 ne·ces·saryBrE /ˈnesəsəri/ NAmE /ˈnesəseri/ adjective 🔑 ~ (for sb /sth ) (to do sth )that is needed for a purpose or a reason 必需的；必要的SYN essential◆ It may be necessary to buy a new one . 也许有必要买个新的了。◆ It doesn't seem necessary for us to meet . 我们似乎没必要见面。◆ Only use your car when absolutely necessary . 非用不可的时候才用你的汽车。◆ If necessary , you can contact me at home . 必要的话，我在家时你也可以和我联系。◆ I'll make the necessary arrangements . 我会做一些必要的安排。🔑 [only before noun ]that must exist or happen and cannot be avoided 必然的；无法避免的SYN inevitable◆ This is a necessary consequence of progress . 这是事情发展的必然后果。 ● a ˌnecessary ˈevil a thing that is bad or that you do not like but which you must accept for a particular reason 无法避免的坏事；不得已的事 |
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