Biodegrading
v. 生物递降分解( biodegrade的现在分词 )
🗣️ 情景例句
There are people in favor of the cultural programs, Mom.
会有许多人赞成文化活动的， 妈妈。
When the fire started, I was writing letters.
当火起来的时候，我在写信。
The truck was coming round the corner near the school.
这辆卡车正饶着学校附近的拐弯处驶过来。