Phosphonous acid
[化] 亚膦酸
🧩 词语组成解析
🗣️ 情景例句
Robbie, run to the car! Robbie
快跑去车子上。
Where will you be nest year at this time?
明年这个时候你将在哪里？
but the fire fighters were eventually able to free him by cutting a huge hole in the wall.
消防队员在墙上挖了个大洞，才终于把他解救出来。