Bilin
后色胆素, 胆汁三烯, 三烯胆色素核
🗣️ 情景例句
You've been working late
你一直工作到很晚
A disease known is half cured.
病情确诊断，治病好一半。
They employed a few farmhands, but no one was willing to work there long.
他们雇了几个农工，但谁也不愿意在那儿长期工作下去。