Epoxyethane
環(huán)氧乙烷
??? 情景例句
What are you working on?
你在做什么？
Would you help me remove the refrigerator?
能幫忙移一下冰箱嗎？
I'm sorry to hear that. I hope you're better now.
聽(tīng)說(shuō)你病 了，我心里很不好受。我希望你現(xiàn)在好些了。