Mfvl
abbr. maximal flow-volume loop 最大呼气流速-容积曲线
🗣️ 情景例句
Then Grandpa, Robbie,
那么爷爷 ，Robbie，
I asked him to clean it for me, but he wouldn't.
我请他帮我清理，但是他不肯。
Imagine a star up t twenty times larger, brighter, brighter and hotter than our own sun.
设想一下，一颗恒星比我们的太阳还要大，还要亮，还要热20倍，