Velocity diagram
[机] 速度图
🧩 词语组成解析
🗣️ 情景例句
Oh!
噢！
It's essential to choose the right means of transportation.
选择合适的运输方式很重要。
Last summer I spent days in the garden watching thousands of ants crawling up the trunk of my prize peach tree.
去年夏天，我花了好几天时间站在花园里观察成千只蚂蚁爬上我那棵心爱的桃树的树干。