1.作形容詞時(shí),是定語性形容詞,意為“警覺的,機(jī)警的”。例如:an alert girl機(jī)警的少女2.作動詞時(shí),意思是“促使……提防”。有時(shí)在它的賓語后接以that從句。例如: The villagers alerted the traveller that wolves might come out in the night.村民叫這位旅......(本文共 169 字) [閱讀本文] >>
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 1.作形容詞時(shí),是定語性形容詞,意為“警覺的,機(jī)警的”。例如:an alert girl機(jī)警的少女2.作動詞時(shí),意思是“促使……提防”。有時(shí)在它的賓語后接以that從句。例如: The villagers alerted the traveller that wolves might come out in the night.村民叫這位旅......(本文共 169 字) [閱讀本文] >>
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