Calderas
(caldera 的复数) n. 破火山口
🗣️ 情景例句
Look, simply shape up, or ship out!
看，只有表现好些才可留下来。
John has extracurricular activities. He's on the football team.
约翰有课外活动。 他参加了足球队。
But that costs more.
可是那样成本较高。