straight pin

基本解释

The utility tool kit includes a letter-opener blade andscissors, a straight pin and tweezers, a magnifying glass, two rulers (incentimeters and in inches) and a pressurized ballpoint pen.
此款实用工具装备包括一圆柱销，一镊子，一放大镜，两把分别以公分和英寸为单位的尺和一支加压圆珠笔。
Split pins, (internal thread) cylindrical pins, (internal thread) tapper pins, spring-type straight pins, rolling spring-type straight pins, pins with hole, pin rolls.
开口销、（内螺纹）圆柱销、（内螺纹）圆锥销、弹性圆柱销、卷制形弹性圆柱销、带孔销、销轴。
straight pin porcelain insulator
直脚瓷瓶
Before Norwegian Johan Vaaler devised a bent metal clip in 1990, papers were secured by straight pins, which had the predictable effect of gouging their recipients.
在挪威人约安·瓦勒于1990年发明这种弯曲的金属小夹子之前，文件是用明显会划伤接收者的直针固定在一起的。
Keep straight on until you get to the church.
一直朝前走就走到教堂了。