Gerodontics
n. [医]老人牙医学
🔁 扩展释义
【医】 老年牙医学
🗣️ 情景例句
and he doesn't get to use it.
却又用不上。
I am well aware of how risky this investment is.
我非常清楚这项投资有多大的风险。
I saw a beautiful fish in the street market the other day.
前几天，我在街市上见到一条很漂亮的鱼。