螺栓
a long, cylindrical piece of metal, typically threaded, used with a nut to fasten things together
示例:
• He tightened the bolt with a wrench. 他用扳手拧紧了螺栓。 • The bridge was held together by large steel bolts. 这座桥由巨大的钢螺栓固定。 同义词:
fastener pin rivet stud