Setulf
似槽痕
🗣️ 情景例句
And thank Susan.
还要谢谢， Susan。
Rose, let me introduce my friend to you.
罗斯，让我介绍一下我的朋友。
he identifies himself with its centre of gravity, its mass, its weight;
他把自身和物体重心、质量、重量融为一体。