Sprayograph
喷雾分散度测定仪, 喷雾质量测定仪
🗣️ 情景例句
I left my bag of film on the ferry.
我把装底片的旅行袋遗放在渡船上了。
I asked him to pay, but he wouldn't.
我请他付账，但是他不肯。
Are there any boats in the picture?
画里面有船吗？