M-m
[医][=Mackay-Marg tonometer]麦玛二氏眼压计
🗣️ 情景例句
Sure.
当然记得。
Every bullet has its billet.
无风不起浪。
It was necessary, therefore, to invent instruments that neither slumbered nor slept.
因此，有必要发明一种仪器，既不打盹儿，也不睡觉。