coaster
🇺🇸
/ˈkəʊstər/
🇬🇧
/ˈkəʊstə(r)/
noun
R
A small, flat object placed under a glass to protect the surface of a table.
She grabbed a coaster from the drawer and put it under her drink to prevent a water ring.
她从抽屉里拿出一个杯垫，把它放在饮料下面，以防止水印。
R
A ship that travels along a coast, making stops at different ports.
The coastal trade was booming, and the coasters were busy shuttling goods between ports.
沿海贸易正在蓬勃发展，近海船只正忙于在港口之间运输货物。
translation
杯垫, 沿海船
词形变化
Plural
coasters