Bilidien
胆汁二烯, 二烯胆色素核
🗣️ 情景例句
Great! Let's do it!
好。 我们去。
Kennedy Airport, please. I have to be there by 7:00.
请到肯尼迪机场。我得在七点前赶到那儿。
I not only spoke English very carefully, but very clearly as well.
我的英语讲得不但非常认真，而且咬字也非常清楚。