ratchetn.棘轮；棘齿v.（使）渐进=rachet.ratchet catch停止挡ratchet wheeln.[机]棘轮ratchet brace棘轮摇钻ratchet punch棘轮冲头,棘轮冲压机ratchet latch棘轮卡笋ratchet model棘轮模型ratchet relay棘轮式继电器ratchet winch棘轮传动绞车ratchet drive棘轮驱动,棘轮传动ratchet drill棘轮式手摇钻,棘轮扳钻

1. My income built up and my life has been improved greatly.
   我的收入慢慢增加了，我的生活也大大改善了。