coast·er /ˈkostɚ/
沿岸貿易船;居民;撬;軌道
Coast·er n.
1. A vessel employed in sailing along a coast, or engaged in the coasting trade.
2. One who sails near the shore.
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coaster
n 1: a resident of a coastal area
2: someone who coasts
3: a covering (plate or mat) that protects the surface of a
table (i.e., from the condensation on a cold glass or
bottle)