P2
[医] 肺动脉第二音
🗣️ 情景例句
He began to seek jobs in the classified advertisement column in the newspaper.
他开始从报纸的分类广告栏找工作。
I'm flattered.
过奖了。
from which can be seen the strata the drill has been cutting through.
从中能看出钻头所钻透的地层。