Linear motion
[机] 线运动
🧩 词语组成解析
motion
['məuʃən]
n. 运动;手势;动机，意向;请求;
vt. 打手势;向某人点头或摇头示意;打手势要求[指示];
vi. 运动;打手势;
🗣️ 情景例句
Try to think in English whenever possible.
尽可能用英文思维。
Loftiest trees most dread the thunder.
树大招风。
Who was second? Who was third?
谁是第二？谁是第三？