2019-2020学年度人教版必修二Unit 4Wildlife protectionPeriod 2language points课件(27张)
2019-2020学年度人教版必修二Unit 4Wildlife protectionPeriod 2language points课件(27张)第3页

die out: disappear completely灭绝,绝种,(风俗,习惯等)逐渐消失; (光,火等)逐渐熄灭 区别: die away: (sound, wind, or light…) becomes weaker and finally stops渐渐消失 e.g. The noise of the cars died away.