Acetylmethadol
醋美沙醇
🗣️ 情景例句
If you don't know a person's last name, use 'ma'am' or 'sir'.
如果你不知道一人的姓， 你应称呼他为 'ma'am' 或 'sir' 。
It is never too late to mend.
亡羊补牢，犹为未晚。
Have you had a wash yet?
你洗过脸了吗？