Biodegradation
生物降解
🗣️ 情景例句
Cloning technology is good news for those patients who need organ transplants.
克隆技术对于那些需要器官移植的病人来说是个福音。
Newspapers keep us in contact with the events of the world.
报纸是巨大的信息来源，互联网也不能取代它的地位。
Good morning, Liu Ming.
早上好，刘明。