紧缩主干用英语怎么写

collapsed backbone

紧缩───tighten;主干───trunk

Clearly, if you are spending more than your income, you'll need to tighten your belt.───明摆着，要是你入不敷出，你就得省着点了。

It's important to tighten up the wheels properly, otherwise they vibrate loose and fall off.───把轮子拧紧是很重要的，否则它们会因振动松动、脱落。

Install the exhaust pipe support and tighten the screw.───安装排气管支架并拧紧螺丝.

The thought of Nick made her throat tighten.───一想到尼克就会让她的喉咙发紧。

Be sure to use two nuts on the threaded rod to tighten them into the holes.───要确保用两个螺母将螺纹杆紧固在孔内.

A conference was held to recoganize and tighten up a local government.───召开了一个会议改组和加强地方政府.

I used my thumbnail to tighten the screw on my lamp.───我用拇指指甲把台灯上的螺钉拧紧了。

These stomach exercises will tighten abdominal muscles.───这些腹部练习会增强腹肌。

Fix the frame in position and tighten the screws .