Scientists have tried many ways to prevent the nuclear reactor from___________harmful and dangerous radiation
人气：160 ℃ 时间：2020-06-03 11:11:02
解答
emittingA.giving awayB.giving upC.giving inD.giving off短语的话选dgive off 1.放出,释放 2.发出(光、声音等)，散发出(气味)
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