Graface
石墨-二硫化钼固体润滑剂
🗣️ 情景例句
She's an easy-going teacher.
她是位随和的老师。
The surest way to be happy is to be busy.
要快乐，最可靠的办法是忙碌。
Maybe we could go shopping this evening.
或许我们可以今晚去买东西。