break down 用法表示塑料袋难分解,是 plastic bags are resistant to break down _英语解答

break down 用法
表示塑料袋难分解,是 plastic bags are resistant to break down 还是 plastic bags are resistant to be broken down

人气：195 ℃　时间：2020-02-03 20:03:22

解答

Cellulose is hard to break down.
纤维素是很难分解的.
类比这个 break down 用主动就好