coaster
n
1
(a) small mat put under a drinking-glass to protect a polished table, etc from drips 杯垫.
(b) small tray for holding a decanter, wine bottle, etc (放饮料瓶、 酒瓶等的)小托盘.
2 ship that sails from port to port along a coast (沿海岸各港口航行的)轮船.
🗣️ 情景例句
OK. I'll take that one.
好,我就要这一辆。
How do I say this?
怎么说?
its action depends on the surface, water or ground, over which it rides.