1848, "ornamental plate or tablet," from French plaque "metal plate, coin" (15c.), perhaps through Flemish placke "small coin," from Middle Dutch placke "disk, patch, stain," related to German Placken "spot, patch" (compare placard). Meaning "deposit on walls of arteries" is first attested 1891; that of "bacteria deposits on teeth" is 1898.
实用例句
1. The teacher training college put up a plaque to the college's founder.
那所教师培训学院为该学院的创立者立了一块纪念牌匾。
来自柯林斯例句
2. When not removed, plaque causes tooth decay and gum disease.
牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。
来自柯林斯例句
3. Deposits of plaque build up between the tooth and the gum.
牙齿和牙龈之间会滋生牙斑。
来自柯林斯例句
4. After touring the hospital, Her Majesty unveiled a commemorative plaque.
女王陛下巡视完这家医院后，为纪念匾揭了幕。
来自柯林斯例句
5. On one side of the main entrance there's a red plaque.
