Pjc
[醫][=porcelain jacket crown]瓷甲冠（鑲牙）
??? 情景例句
He ventured his life to rescue a drowning child.
他冒著生命危險去搶救一個溺水的孩子。
I learned geography last week.
我上星期學地理。
For a few hours, you settle back in a deep armchair to enjoy the flight.
幾小時之內，你躺在扶手椅上，享受著旅途的歡樂。