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becalm

vt.使安静,因无风而使停航

难易程度:

becalm为短语/超纲词汇

词形变化:

动词过去式:becalmed 过去分词:becalmed 现在分词:becalming 第三人称单数:becalms

词根

be-=to make 把形容词、名词动词化