Pentafluoride
五氟化物
🗣️ 情景例句
Hi, Tom. How are you doing?
喂，汤姆。你好吗？
Uh-oh, here comes my boy friend, he's insanely jealous.
噢，我男朋友过来啦，他可是个大醋坛子呦。
It is true that during their explorations they often faced difficulties and dangers of the most perilous nature, equipped in a manner with would make a modern climber shudder at the thought,
确实，在探险中他们经常遇到惊心动魄的困难和危险，而他们装备之简陋足以使现代登山者一想起来就胆战心惊。