Phosphononitridothioic acid
[化] 硫羟氮羟膦酸
🧩 词语组成解析
🗣️ 情景例句
He looked up at me.
他仰头看我。
It is too late to shut the stalbe door when the steed is stolen.
失马锁厩，为时已晚；贼去关门，为时已迟。
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。