音标
英语音标：[ˈnesəs(ə)rɪ]
美语音标：[ˈnɛsəsɛri]
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。
We are still looking for someone who combines all the necessary qualities.
我们仍在寻觅兼备所有必要才能的人选。
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。
