Zerogel
[机] 零凝胶
🗣️ 情景例句
I find that hard to swallow.
对这一点我难一相信。
The history paper was really easy, so was the biology one.
历史试题确实容易，生物试题也很容易。
How can we find out who are using these computers?
我们怎么知道都有哪些人在使用我们的计算机呢？