Bilixanthin
[化] 胆汁黄质
🗣️ 情景例句
That's very nice of you, but I really can't.
你太客气了，可我真的非走不可。
Observation is the best teacher.
观察为良师。
We have adopted much more flexible methods in our dealings.
我们在具体操作方法上灵活多了。