a perpetrator or suspected offender in a crime

• police or media slang

作案者；犯罪嫌疑人

• 警方或媒体的俚语

a vertical mortar joint between bricks

• masonry term; also called a perp joint

砖块之间的竖向砂浆缝

• 砌筑术语；亦称竖缝

perpendicular; at right angles

• clipping of perpendicular; informal

垂直的；成直角的

• perpendicular 的缩写；非正式用法