necessary
/ˈnɛs.əˌsɛ.ɹi/ 形容词 A2中文： 必要的
- Required, essential, whether logically inescapable or needed in order to achieve a desired result or avoid some penalty. · Although I wished to think that all was false, it was yet necessary that I, who thus thought, must in some sense exist.· It is absolutely necessary that you call and confirm your appointment.
- Unavoidable, inevitable. · If it is absolutely necessary to use public computers, you should plan ahead and forward your e-mail to a temporary, disposable account.
比较级 necessarier · 最高级 necessariest
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A Wolf accustomed to moving his own cubs can, if necessary, mouth an egg without breaking it, and though Father Wolf’s jaws closed right on the child’s back not a tooth even scratched the skin as he laid it down among the cubs.
They have their regular roads and crossroads, up hills and down hills, all laid out from fifty to seventy or a hundred feet above ground, and by these they can travel even at night if necessary.
Spencer thoughtfully, “but I don’t think it will be necessary to send her back.
Phillips’s brief reforming energy was over; he didn’t want the bother of punishing a dozen pupils; but it was necessary to do something to save his word, so he looked about for a scapegoat and found it in Anne, who had dropped into her seat, gasping for breath, with a forgotten lily wreath hanging askew over one ear and giving her a particularly rakish and disheveled appearance.
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