Cascade reactor
[化] 级联反应器; 阶式反应器
🧩 词语组成解析
🗣️ 情景例句
A small one will suit me.
小型车对我来说很合适。
How is your room?
你的房间怎样？
Ken gave up smoking two years ago. He'd been smoking for thirty years.
两年前肯戒了烟，之前他抽了三十年烟。