Sulfo
磺基
??? 情景例句
Use a dictionary and grammar guide constantly.
經常使用字典和語法指南。
Do you think it's going to rain tomorrow?
你認為明天將下雨嗎？
The vicar has been asked to have the tree cut down, but so far he has refused.
人們曾請求教區的牧師叫人把樹砍掉，但他直到現在也沒有同意。