Tetrafluoride
n. [化]四氟化物
🗣️ 情景例句
Hey, what did you do on your trip?
嗨，旅游时玩的怎么样？
It is not a sign of humility to declaim against pride.
用慷慨激昂的言语攻击傲慢并不是谦逊的标志。
gradually, and often quite swiftly,
那么渐渐地，往往也是很顺利地，