Mpfm
赖特微型峰流量计(mini-Wright peak flow meter)
🗣️ 情景例句
You've got yourself to think about, too.
也得为自己着想。
Time past cannot be called back again.
光阴一去不复返。
You do not have to devise ways of taking your mind off the journey, for an aeroplane gets you to your destination rapidly.
你不必想办法去摆脱旅途的困扰，因为飞机会迅速地把你送到目的地。