1. Just pick up a glass and set it on that machine and push it against the lever. 
   拿一支玻璃杯放在机器上，然后揿一下横杆。
2. a wheel oscillating against the hairspring of a timepiece to regulate its beat. 
   对着时钟的细弹簧震荡来调节它的拍子的轮子。
3. engages a rocking lever. 
   避免摇动杠杆离开的装置。
4. hand chain block and lever 
   手动葫芦
5. Money is a good lever. 
   钱对人大有帮助。

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