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简介:
be able to do 能够做……
be afraid to do (内心)害怕不敢做某事
be afraid of doing担心出现doing的状况、结果
be angry with 对……生气
be at home = stay at home 待在家里
be back/in/out 回来/在家/外出
be bad for 对……有害
be busy doing/with sth忙于做……(忙于……)
be careful of 当心,注意,仔细
be covered with 被……覆盖
be different from与……不同
be famous/known as 作为……出名
be famous/known for 以……而著名