Bilin
后色胆素, 胆汁三烯, 三烯胆色素核
🗣️ 情景例句
Yes, I told Daddy to pick blue ones.
是的。我告诉爸爸选蓝色的。
Everything is going according to schedule.
一切在按照预定计划进行。
The officers got out and the prisoner stood to attention and saluted as they passed.
军官们下了车，战俘立正站好，并在他们从他面前经过时敬了礼。