Esms
abbr. electrospray mass spectrometry 电喷雾质谱测定法
🗣️ 情景例句
We have several package tours you may choose, from ten days to three weeks in Europe.
我们有几套欧洲旅游计划选择，时间从10天到3个星期。
There are many training classed and night classes.
有许多培训班与夜校。
Let's have a beer or something.
咱们喝点啤酒什么的。