Acetylfluoride
乙酰氟
🗣️ 情景例句
And Carnegie Hall.
还有卡奈基音乐厅。
When in doubt, play trumps.
举棋苟不定，何妨将一军。
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法国著名洞穴探险家伯杰由于偶然的机会发现了这个洞口的话，这个洞也许不会为人所知。