Pneumostatic
气动的, 静气的
🗣️ 情景例句
Fine. How much would you like to exchange, sir?
好的。您要兑换多少呢，先生？
Paul started with surprise when Jim tapped his shoulder.
当吉姆拍了保罗的肩膀时，保罗吓了一跳。
One evening, however, the lamb was missing.
可是，一天晚上，那只小羔羊失踪了。