Dimercurion
[醫] 高汞離子, 二價汞離子
??? 情景例句
Yes, …is here. Please hold a minute.
是，……在這兒。 請等一下。
I subscribed to a lot of periodicals last year.
去年我訂了許多期刊。
Unfortunately you'll have to pay the fine before you check those books out.
在你借書之前你要先付清罰款。