Boldin
[医] 波耳丁, 波耳多甙
🗣️ 情景例句
Yes, he's my brother.
是的。他是我哥哥。
I'm going to show him how to cook.
我正要指点他如何做饭。
Once we get down to the oil, it usually flows to the surface because great pressure,
一旦到达油层，石油就会由于地下巨大的压力流到地面上来，