Sialolithasis
涎石病
🗣️ 情景例句
He made good in business.
他事业成功。
What time did you get to work yesterday morning?
你昨天早上什么时间上班？
These are partly a matter of personal circumstances, partly a matter of psychology.
这里一方面是个人所处的环境，另一方面是个心理学的问题。