
keyn.钥匙;关键;要诀;(计算机或打字机的)键;
adj.最重要的;主要的;关键的
These units played a key functional role in the military operation.
这些单位在军事行动中起到了主要的职能作用。
The president appears likely to change course on some key issues.
总统看起来可能要在某些重要问题上改变方针。
I can\'t think where I put the keys.
我想不起把钥匙放哪儿了。
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