Clavis
[醫] 牙鑰(拔牙器)
??? 情景例句
That's fine. Thank you.
很好。謝謝你。
My name is Thomas.
我叫湯姆斯。
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法國著名洞穴探險家伯杰由于偶然的機會發現了這個洞口的話，這個洞也許不會為人所知。