Graface
石墨-二硫化钼固体润滑剂
🗣️ 情景例句
I'm afraid i have a complaint to make.
恐怕我要提点意见。
What cannot be cured must be endured.
事已无法可救，只得耐心忍受。
During the summer, I noticed tat the leaves of the tree were beginning to wither.
到了夏天，我发现树叶开始枯萎，