Erythricine
龙胆碱, 秦艽甲素
🗣️ 情景例句
Is a letter of credit OK?
用信用卡可以吗？
I don't see any point in discussing the question any further.
我不能进一步领会这个问题的任何观点。
Who is going to sign the contract for your side?
谁代表你们这一方签约？