ratchets的意思是“棘轮”、“棘轮机构”。

用法：Ratchets are used to lock or unlock a wheel or other device.

双语翻译：The ratchet is a device that allows a wheel or other device to be locked in position, so that it cannot rotate. It is often used in mechanical devices such as winches and other tools.

音标：/rætʃɪts/。

ratchets的意思是：啮合器；转钮；棘轮。

用法：Ratchets are used to lock or unlock a wheel or other device.

双语翻译：Ratchet 是一种用于锁定或解锁轮子或其他装置的机械装置。

常见用法：

1. Ratchet up: 增加，提高。例如：The company has ratcheted up investment in technology and research and development.

2. Ratchet down: 减少，降低。例如：The government is ratcheting down spending to cope with the economic downturn.

中文翻译：啮合器常见用法包括增加（如增加技术、研究和开发的投资）和减少（如政府为了应对经济衰退而减少开支）。

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ratchets

释义：n. 棘轮（一种机械装置，用于防止物体转动或移动）

用法：ratchets主要用作名词，基本意思是“棘轮”，也可用作比喻，表示“困难的工作或问题”。

双语翻译：Ratchets are mechanical devices that prevent objects from rotating or moving.

常见短语：

1. ratchet up：增加，加强

2. ratchet down：减少，减弱

3. ratchet up to：增加到

4. ratchet up the pace：加快步伐

5. ratchet up the tension：加剧紧张局势

6. ratchet up the pressure：增加压力

7. ratchet up the tempo：加快节奏

8. ratchet up the intensity：增强强度

9. ratchet up the effort：加大努力

10. ratchet effect：啮合效应

例句：The car's gearshift lever has a ratchet and pawl mechanism to lock it in place.