Parachloroacetophenone
对氯苯乙酮
🗣️ 情景例句
and he doesn't know anything
而他毫无所知
True love never grows old.
真爱永不老。
When you type a letter, the writing appears on a screen in front of you and is recorded onto a computer disk.
当你打一封信时，字迹出现在你前面的屏幕上并顾在电脑的磁盘里。