Contaimination
[化] 染菌
🗣️ 情景例句
Right now, we should clean up this room.
现在， 我们应当清理一下房间。
When the heart is afire, some sparks will fly out at the mouth.
心中发火，口吐妄言。
He devoted his life to the study of science.
他把毕生献给科学研究。