B 开头单词
be required to 被要求
be representative of the people [航空、航天科学技术]代表人民
be representative of 代表…的
be replete with 充满......
be replaced by 被…所取代
be repentant of v. 悔悟；后悔
be repentant 悔过
be renowned for 因…而著名
be rendered homeless by war 乱离
be rendered homeless 无家可归
be remote from the subject 离题万里
be remiss of 粗心；疏忽；不负责任
be reminiscent of 让人联想到 令人想起 回忆起
be remembered as 作为……而被铭记（remembered是remember的过去分词） 作为……而被怀念（remembered是remember的过去分词）
be reluctant to do sth 不愿做某事
be reluctant to 不愿意，不情愿
be relieved to 对......松了口气