n. 轨道;势力范围;眼眶;(人生的)旅程,生活过程;
vt.& vi. 在…轨道上运行,环绕轨道运行;
vi. 盘旋;绕轨道运行;
vt. 绕轨道而行;进入轨道;
orb圆圈+it表名词→轨道
🗣️ 情景例句
What's your name?
你叫什么名字?
Your history paper is due.
你的历史课作业该缴了。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!