Mpfm
赖特微型峰流量计(mini-Wright peak flow meter)
🗣️ 情景例句
You may be offered coffee, and then you should immediately announce the reason for your visit.
他们会给你冲咖啡，然后你应该尽快说明来意。
It's about time.
时间差不多了。
As there are so many people about, the dogs have to be kept in a special enclosure.
由于来人太多，狗被关在专门的围栏里。