人教版（2019）第二册 Unit 1 Cultural Heritage词汇（prevent到disappear）讲解（28张）

prevention n.阻止

1.We must do our best to_____ these historic sites ______ _______ （阻止……消失）.

2.This disease’s control and _____ （prevent）is a challenge to China as well as the whole world.

　 from disappearing prevent prevention loss n.损失 at a loss 不知所措；困惑 blood loss 失血 weight loss 体重减少 job loss 失业 I'm at a loss what to do next. 我不知道下一步怎么办。 ?

contribution n.捐款；贡献；捐赠　

contribute v.捐献；捐助；投稿 make contributions to对……做出贡

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