读音

n. (防倒转的)棘齿( ratchet的名词复数 )
v. (防倒转的)棘齿( ratchet的第三人称单数 )
ratchets 用法和例句
- Life itself may have been bootstrapped by ratchets , dr. abbott said .
- 生命本身或许就是通过棘轮的方式自我引导的,abbott博士说。
- The news ratchets up the pressure on swiss bank secrecy .
- 这一消息加大了瑞士银行保密方面的压力。
- Each year , the cap ratchets down , and the shrinking pool of allowances gets costlier .
- 每年,限额逐步下降,而越加有限的定额会越来越贵。
- But this will tail off when the government ratchets back increases in handouts , as it must .
- 但当政府逐步撤回增加救济时,这一数据就会减缩,政府肯定要这样做的。
- Factors that acted like ratchets could prevent that destruction , helping move life along its evolutionary pathways toward greater complexity .
- 那些扮演棘轮角色的因素可以阻止这种毁灭,帮助生命沿着进化的道路形成更高的复杂性。