Biodegrading
v. 生物递降分解( biodegrade的现在分词 )
🗣️ 情景例句
How long have you known her?
你认识她多久了？
You will leap for joy when you hear the answer.
如果你听到了答案，你会高兴的跳起来的。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。