Resulfurize
再硫化; 再用硫處理
??? 情景例句
How old are you, Albert?
幾歲啦， Albert？
I should have studied last night, but I was too tired.
我昨晚應(yīng)該學(xué)習(xí)，但是我太累了。
It is between two hills.
它們于兩座小山之間。