Nonpolluting
a. 不會引起污染的
??? 情景例句
Your letter filled me with great vitality.
讀了你的信之后我感到充滿活力。
In shifts
輪流
Country people run wild when they go shopping in the city and stagger home loaded with as many of the exotic items as they can carry.
鄉里人進城采購欣喜若狂，每次回家時都買足了外來商品，直到拿不動方才罷休，連走路都搖搖晃晃的。