Prolon
合成蛋白质纤维
🗣️ 情景例句
Are all the answers here to your satisfaction?
这里所有的答复都令您满意吗？
An occasion lost cannot be redeemed.
时机失了无法挽回。
Great. Would you please let me know when you have a race?
太好了。请告诉我你们什么时候比赛，好吗？