Biodegrading
v. 生物递降分解( biodegrade的现在分词 )
🗣️ 情景例句
Can I help?
要我帮忙吗？
I remenber the boy whose father owns a lake.
我记得那个男孩的父亲有一个湖。
Around the year 1600 the first horses were brought to the American continent by the Spanish.
大约在1600年的时候，西班牙人把第一批马匹带来美洲大陆。