单词
necessary
音标
英 [ˈnesəsəri] 美 [ˈnesəseri]
翻译
adj.
必需的;必要的;必然的;无法避免的
n.
必需品
例句
It was concluded that the level of change necessary would be low.
结论是，需要作出的变更程度很低。
It might be necessary to make a few slight modifications to the design.
也许有必要对这个设计稍作几处修改。
I couldn't enter the country because I didn't have all the necessary documentation.
我不能入境是因为我证明文件不齐备。
