Delanium
[机] 人造石墨
🗣️ 情景例句
before getting to the tough stuff--math.
在对付难缠的东西 数学 之前。
Rose, let me introduce my friend to you.
罗斯，让我介绍一下我的朋友。
It was his job to repair bicycles and at that time he used to work fourteen hours a day.
他那时的工作是修理自行车，并且通常是一天工作14个小时。