Meroscopy
[医] 心音分段听诊法
🗣️ 情景例句
Good afternoon. Make yourself at home.
下午好。请随便些。
She insists that it doesn't make any difference to her.
她坚持对她没有任何差别。
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，