Xerogel
干凝胶
🗣️ 情景例句
How do you find the answers?
你觉得这些答复如何？
The child embarrassed me by asking unexpected questions.
那小孩问了些出乎意料的问题使我困窘。
I must go to the grocer's.We haven't got much tea or coffee, and we haven't got any sugar or jam.
我得去一下食品店。我们的茶叶和咖啡不多了，糖和果酱也没有了。