他们本可以至少打个电话通知我们会议取消的。
They could have at least called to let us know the meeting was cancelled.
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Could英 /kʊd/|美 /kʊd/
解释
could have + called 批评对方连最基本的电话通知都未做到，用 at least 强化了失望和不满的语气。
They could have at least called to let us know the meeting was cancelled.
could have + called 批评对方连最基本的电话通知都未做到，用 at least 强化了失望和不满的语气。