Fluobenzene
氟(代)苯
🗣️ 情景例句
Bye-bye. It's all set. I'm going.
再见。都安排好了。我现在就去。
Be slow in choosing a friend; slower in changing.
选择朋友要审慎，摒弃更要审又慎。
A temporary rudder was made on board from spare planks and it was fitted with great difficulty.
船员用备用的木板在船上赶制了一只应急用的舵，并克服重重困难将舵安装就位，