coaster
noun /ˈkəʊstə(r)/
/ˈkəʊstər/
- enlarge imagea small flat object that you put under a glass to protect the top of a table
玻璃杯垫 - a ship that sails from port to port along a coast
Topics Transport by waterc2航行于沿海港口间的轮船 see also roller coaster