Bilidien
胆汁二烯, 二烯胆色素核
🗣️ 情景例句
According to my experience, I agree that yours are of better quality.
有我的经验来判定你们的产品的确较好。
This is a chair.
这是一张椅子。
Aleko denied taking it and led Dimitri into his backyard.
阿列科不承认，并把迪米特里领进院子。