Bilidien
胆汁二烯, 二烯胆色素核
🗣️ 情景例句
That's easy. Walk to the corner.
很好找。你走到拐角
They that marry in green,their sorrow is soon seen.
年纪轻轻就结婚，为时不久便悔恨。
One of the boys is English. His name is Jim.
有一个男孩是英国人，他的名字叫吉姆。