背 单 词
Ⅰ.阅读单词
1．a sheet of transparent silver
一层透明的银色
2．Tears turned into frost, covering our faces.
泪水化为霜，遮住了我们的脸。
3．turn the entire mountains into terraces
将整片山地变成梯田
4．climb a steep slope 爬陡坡
5．prevent the soil from being washed away
防止土壤被冲走
6．turn the water into vapour
把水变成蒸气
7．minerals for making natural dyes
制造天然染料的矿物
