Sulphonate
n. 磺酸鹽(或酯)
??? 情景例句
And then, two years ago, my wife died.
接著， 兩年前我妻子去世了。
A word is enough to the wise.
對明智者一言已足。
Is there much of a difference in price?
價錢也有很大的分別吧？