coaster
n. 沿岸贸易船; 杯托; 雪橇
A coaster is a small mat that you put underneath a glass or cup to protect the surface of a table.
A coaster is a ship that sails along the coast taking goods to ports.
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)
I've been on an emotional roller-coaster since I've been here.
自从我到了这里,情绪就起伏不定。
The last few weeks have been a real roller coaster.
过去的几个星期,形势真是变幻莫测。
It's great to go on the roller coaster five times and not be sick.
坐了5次云霄飞车都没晕,真是太棒了。
She turned green when she came off the roller coaster.
当她从云霄飞车上下来时,脸色发青.
The ride on the roller coaster dizzied us.
乘坐云霄飞车使我们头晕.