英语词汇ratchet怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

ratchet

rætʃɪt  ˈrætʃɪt 

Word forms: plural , 3rd person singular present tense ratchets, present participle ratcheting, past tense , past participle ratcheted

1 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. (防倒转的)棘齿，棘轮

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。

2 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. （使）（工具或机器）发出嗒嗒声

The rod bent double, the reel shrieked and ratcheted. [VERB]

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. [VERB noun]

她拿起一张纸，把它哗哗啦啦地塞到打字机中。

3 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. （形势的）每况愈下，恶化 [mainly British]

...another raising of the ratchet of violence in the conflict.

冲突中又一次的暴力升级

Phrasal verbs:

ratchet downratchet up

Trends of ratchet

View usage for:All yearsLast 10 yearsLast 50 yearsLast 100 yearsLast 300 years

单词	ratchet
释义	ratchet rætʃɪt  ˈrætʃɪt  Word forms: plural , 3rd person singular present tense ratchets, present participle ratcheting, past tense , past participle ratcheted 1 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. (防倒转的)棘齿，棘轮 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。 2 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. （使）（工具或机器）发出嗒嗒声 The rod bent double, the reel shrieked and ratcheted. [VERB] 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. [VERB noun] 她拿起一张纸，把它哗哗啦啦地塞到打字机中。 3 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. （形势的）每况愈下，恶化 [mainly British] ...another raising of the ratchet of violence in the conflict. 冲突中又一次的暴力升级 Phrasal verbs: ratchet downratchet up Trends of ratchet View usage for:All yearsLast 10 yearsLast 50 yearsLast 100 yearsLast 300 years
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