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
It was our pleasure.
不胜荣幸。
I can't say for certain off-hand.
我还不能马上说定。
The pilot managed to circle the balloon for some time.