sudden unexplained infant death突然: sudden; abrupt; unexpected; ...的: 4次方是 The fourth power of 2 i ...不能: cannot; must not; should not ...解釋: explain; expound; interpret; ...嬰兒: baby; infant; nursling; trot ...下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
