Orbital motion
轨道运动，轨道运行
🧩 词语组成解析
orbital
['ɔ:bitl]
adj. 轨道的;眼窝的;
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
You go ahead with the formalities. I'll see to the heavy luggage.
您先去办手续，我来帮您照看大件行李。
Where (or While) there is life there is hope.
留得青山在，不怕没柴烧。
Later, by about two weeks.
延迟，大概二个星期。