Sterilant
止繁殖剂, 杀菌剂, 消毒剂
🗣️ 情景例句
Robbie just went to the store.
Robbie刚去商店。
To fall down
掉下
they aroused great interest at the time, they had important theoretical consequences,
这些观察在当时引起了人们极大的兴趣，具有重要的理论意义，