coaster的例句（coaster在句子中的用法）

• coaster brake (自行车) 倒轮闸
• 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。
• 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。
• 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。