Ultraemulsifier
超声乳化器
🗣️ 情景例句
Sheet is a five-letter word. Sheet
是五个字母的单字。
Not really, I'm afraid. We were delayed taking off, and we encountered a lot of bad weather.
不太好，我们起飞延误了，还遭遇了恶劣的气候。
It's very kind of you to call.
谢谢你来告诉我。