Naphthaometer
(石油产品)闪点测定仪
🗣️ 情景例句
If you have something you want to talk about,
假如你有什么事情要谈，
And the problems that some of us have had in the past year.
和去年我们一些人遇到的问题。
Class 3 did very well in the school sports meeting last week.
“3班在上星期的校运会上表现很好。