Indentured servant
n. 契约佣工
🧩 词语组成解析
v. <史>以契约束缚（学徒）( indenture的过去式和过去分词 )
🗣️ 情景例句
Let's lake this one step at a time.
做这事我们要一步一步来。
Deeds,not words.
要行动，不要言词。
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!
因此，从月球到地球的25万英里所消耗的能量要比从地球表面进入地球轨道的200英里所耗能量少97%。