Dimeticone
二甲硅油
🗣️ 情景例句
Hello, Joanne. Nice to meet you.
好， Joanne。很高兴见到 。
What were you doing at about 4 o'clock yesterday afternoon?
你昨天下午在大约4点钟正在做什么？
The machines will not operate properly.
那些机器不能正常运转。