Prototropic
质子异变的
🗣️ 情景例句
OK.
好。
This stain is really stubborn.
这污垢去不掉。
As it is, they have been drilling for sixteen hours and they still have a long way to go.
实际情况是，他们已连续钻了16个小时了，但离钻透还早着呢。