Naphthaometer
(石油产品)闪点测定仪
🗣️ 情景例句
Ooh, speaking of keeping busy-I have an early start tomorrow,and the baby-sitter has to get home.
哦， 说到忙于工作，我明天还得早起，而且临时保姆也该回家了。
The hardest thing to learn is to be a good loser.
最难学的一点是做一个输的起的人。
My particular experience is largely in oil,
我是专门搞石油的，