Ketoses
酮糖
??? 情景例句
Very few people last in this class for the full hour the very first time.
很少人能夠第一次撐完一個小時的課。
I have some left.
我剩下一些。
Yes, our market analysis tells us our prime user will be between 40 and 60.
好的，我們的市場分析告訴我們，我們產品主要的使用者年齡將在40至60歲。