Electrostethograph
[医] 电心音描记器
🗣️ 情景例句
You have to ask for my father's permission.
你必须征得我父亲的同意。
Better lose the saddle than the horse.
吃小亏占大便宜。
You work for the Overseas Engineering Company, don't you?
你在海外工程公司上班，是吗？