Graphene
n. 石墨的单原子层
🗣️ 情景例句
It makes a tremendous difference to me.
这对我来说差别极大。
I played upstairs yesterday.
我昨天在楼上玩。
Indeed they can have a delightful surprise when they find something useful which they did not know they owned.
确实，一旦无意之中从自己的收藏品中找到某件有用的东西时，可以给人一种惊喜的感觉。