Graphene
n. 石墨的单原子层
🗣️ 情景例句
Hello, this is Wang Ming. May I speak to Gao Ling, please?
喂，我是王明，我可以和高玲通话吗？
I was at home all afternoon.
我整个下午在家。
In this way, we have learned all that we know of the laws of astronomy,
例如，用这种方法，我们完全掌握了天文学的规律。