Pentahydric alcohols
[机] 五元醇
🧩 词语组成解析
n. 醇类, 单醇类；多醇类；双醇类（alcohol复数形式）
🗣️ 情景例句
After I finish my homeword, I usually watch TV for half an hour or so.
我做完作业后，通常看半个小时的电视。
Would he have seen you if you hadn't waved to him?
如果你没向他招手他会看见你吗？
I know that he's doing his best, but he says that he is a little weak in Chinese.
我知道他非常努力，但他说他的中文有点儿差。