Bilin
后色胆素, 胆汁三烯, 三烯胆色素核
🗣️ 情景例句
Come by one day and look at some of the other dogs.
有空来一趟，看看其他狗。
Lots of people like stamp collecting.
许多人喜欢集邮。
But, if this world is not merely a bad joke,
如果这个世界不只是一个拙劣的恶作剧，