Phonocardiogram
n. [医]心音图
🗣️ 情景例句
My pleasure.
不客气。
It is a good horse that never stumbles.
良马不失蹄。
He wants to ride the machine like a bike and fly it like a plane.
他想让机器可以像自行车那样骑，可以像飞机那样飞。