词组短语
tighten up加强；使紧密；拉紧；使更牢固
tighten one's belt节约度日；束紧腰带
双语例句
用作及物动词(vt.)
- He tightened his grip on her arm.
他紧抓她的手臂。 - The plumber take out a wrench and tighten the bolt.
修水管的工人拿出一把扳手拧紧了螺栓。 - This month we have to tighten our belts.
这个月我不得不勒紧裤腰带过日子。 - While holding down on the cone, tighten the subbase screws.
用手压住漏斗，拧紧座垫固定螺丝。 - If table index shafts are loose, tighten mounting bolts.
如果台面索引轴松动，拧紧固定螺栓。
用作不及物动词(vi.)
- This screw needs tightening.
这螺丝钉需要再拧紧些。 - Controls in the city have gradually tightened.
对这个城市的控制逐渐加强。
权威例句
Coping with Thailand's Tightened Visa Regulations
Multi-axial bone screw assembly
Effect of electron correlation on theoretical equilibrium geometries
Evidence of a ventilation-perfusion mismatch during acute unilateral pulmonary artery occlusion in broilers
A new model of bilateral hemispheric ischemia in the unanesthetized rat.
SNOPT: An SQP Algorithm for Large-Scale Constrained Optimization
Image representation using 2D Gabor wavelets
Guarded commands, non-determinacy, and the formal derivation of programs
On the hardness of approximating minimization problems
Some-Long-Run Properties of Geophysical Records
