Tofms
[化] 飞行时间质谱仪
🗣️ 情景例句
A movie!
电影！
The post office is in the middle of the block, You can't miss it.
那邮局就在街区的中间，很好找。
It's very hot. It's summer in Australia now!
很热。澳大利亚现在正值夏天！