ratchets的中文翻译是什么意思
ratchets
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的柯林斯释义
N-COUNT(防倒转的)棘齿，棘轮
In a tool or machine, a ratchet is a wheel or bar with sloping teeth, which can move only in one direction, because a piece of metal stops the teeth from moving backwards.
The chair has a ratchet below it to adjust the height...
这把椅子下面有棘轮调整高度。
A ratchet mechanism transfers the thread from spool to bobbin.
一种棘齿装置把线从线轴转到梭心上。
V-ERG（使）（工具或机器）发出嗒嗒声
If a tool or machine ratchets or if you ratchet it, it makes a clicking noise as it operates, because it has a ratchet in it.
The rod bent double, the reel shrieked and ratcheted...
操作杆进一步弯曲，线轴发出刺耳的吱吱声。
She took up a sheet and ratcheted it into the typewriter.
她拿起一张纸，把它哗哗啦啦地塞到打字机中。
N-SING（形势的）每况愈下，恶化
If you describe a situation as a ratchet, you mean that it is bad and can only become worse.
...another raising of the ratchet of violence in the conflict.
冲突中又一次的暴力升级
ratchets的场景例句
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.
Eat too little, and your body ratchets down its metabolism.
吃得太少, 身体就会减慢新陈代谢.