Butoxy
[機] 丁氧基
??? 情景例句
That's all right. I hope we can help you at some other time. Good-bye.
好了，希望我們今后還能給你幫助。再見。
We can't write very well.
我們不能寫那么多。
it is not always safe by the time it reaches the tap.
等水到達龍頭時就不一定總是安全的了。