英汉短语互译
1. scientific studies _____________________ .
2. a clean-up campaign _______________________ .
3. for instance _________________________ .
4. be aimed at _________________________ .
5. be stressed out ___________________________ .
6. (使)不进入／(使)留外面 ________________________ .
7. 给某人留言 _________________________.
8. 老实说／坦率地说 ____________________________ .
9. 赚钱 _____________________ .
10. 如丝般的肌肤 _______________________.
