Bilien
胆汁烯, 一烯胆色素核
🗣️ 情景例句
Sit down, sit down.
请坐， 请坐。
You are darker than I am.
你比我黑。
He became mortally ill a few months before we had planned to go and,
就在他计划回国的前几个月，他突然身患绝症。