词根词缀:cylindro-, cylindr-, cylindri-
【来源及含义】Greek > Latin: roller, roller-shaped figure; used in the sense of being "roller-shaped, column-shaped"
【同源单词】cylinder, cylindrical, cylindroid, semicylindrical, spherocylinder
词根词缀:truckl-
【来源及含义】Greek: trokhilia, "pulley, system of pulleys, roller"; Latin: trochlea, "system of pulleys"