Dialkylene
二烯基
🗣️ 情景例句
Oh no! It's five thirty.
哎呀 已经五点半了。
Whe angry, count ten before you speak; if very angry, a hundred.
怒时数十再说话，大怒数百方开言。
Excuse the mess, Sam.This room's very untidy.
屋子很乱，请原谅，萨姆。