英语词汇upon the alert简单造句、意思、用法及例句-英语例句辞典

单词	upon the alert
例句	原声例句泰山之子（上） The boy followed close upon his heels, his every sense upon the alert, his nerves keyed to the highest pitch of excitement. This was life! 男孩紧跟在他身后，他的每一个感官都处于警觉状态，他的神经处于最兴奋的状态。这就是生活！
随便看	dead reckoning dead right dead ring dead ringer dead ringers dead ripe dead rise Dead River dead rock dead run deads dead sands Dead Sea dead seas Dead Sea scrolls dead season Dead Sea, the dead secret dead segment dead serious dead set dead set against dead sets dead shot dead silence

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