Ichthylepidin
鱼鳞硬蛋白
🗣️ 情景例句
You've got a point there.
你这话有道理。
What's done can't be undone.
无可挽回。 泼水难收？
We are really glad to see you so constructive in helping settle the problems as regards the signing of the contract.
我们很高兴您在解决有关合同的问题上如此具有建设性。