Trees can clean the air.
2.它們能帶走空氣中的有害氣體。
They can take harmful gas from the air.
3.妳為何對樹木如此感興趣?
Why are you so interesting in trees?
4.它們能產生壹種化學物質。
They can produce a chemical.
5.請遞給我壹本書。
Please pass me a book.
Trees can clean the air.
2.它們能帶走空氣中的有害氣體。
They can take harmful gas from the air.
3.妳為何對樹木如此感興趣?
Why are you so interesting in trees?
4.它們能產生壹種化學物質。
They can produce a chemical.
5.請遞給我壹本書。
Please pass me a book.