Acetylfluoride
乙酰氟
🗣️ 情景例句
instead of redesigning the entire system.
而不必重新设计整套系统。
At night, all cats are grey.
猫在夜晚皆灰色（丑妍暗中难分辨）。
She had lived in the flat for thirty years and was a veritable magpie at hoarding;
老妇人在这套公寓里住了30年，她又是个名副其实的收藏家。