plaque

US /plæk/
UK /plæk/
"plaque" picture
1.

牌匾, 饰板

a thin, flat piece of metal or porcelain with a design or words on it, used as a memorial, sign, or ornament

:
The war hero was honored with a bronze plaque.
这位战争英雄被授予一块青铜牌匾
A small commemorative plaque marks the spot.
一块小小的纪念牌匾标志着这个地点。
2.

牙菌斑, 斑块

a sticky, colorless film that forms on teeth and harbors bacteria, leading to tooth decay and gum disease

:
Brushing regularly helps remove dental plaque.
定期刷牙有助于清除牙菌
If plaque is not removed, it can harden into tartar.
如果牙菌不去除,它会硬化成牙垢。