Airpump
排气泵
🗣️ 情景例句
My favorite hobby is coin collecting.
我最大的爱好是收集硬币。
Eat one's cake and have it.
又要马儿好，又要马儿不吃草。
Bison were killed for their meat, while their fur provided warm clothing during cold winters.
他们杀野牛，吃野牛肉，用野牛毛皮制成冬季御寒的衣服。