Indentured
v. <史>以契约束缚（学徒）( indenture的过去式和过去分词 )
🗣️ 情景例句
Thank you, that was a great meal.
谢谢，真是一顿好饭。
The leopard can never change its spots.
花豹永不能改变身上的斑点（指：本性难移）。
Apart from any moral considerations this is a stupid method of training,
且不说道义问题，这本身就是一种愚蠢的训练方法，