Sialolithasis
涎石病
🗣️ 情景例句
She'll love it. It's a once-in-a-lifetime offer, Harry.
她也会喜欢的。这是个千载难逢的机会， Harry。
I'm really sorry about it.
我真是非常抱歉。
and mechanical systems like a wound watch, or the sun,
像上紧发条的手表那样的机械装置，或太阳，