Graphite carbon
[机] 石墨碳
🧩 词语组成解析
🗣️ 情景例句
Yeah, where have you been lately?
是啊，你最近到哪儿去了？
In my opinion, the product must be priced under $ 300.
就我的意见来说，产品价格必须订在300美元以下。
I go to school by bike every day.
我每天骑自行车上学。