Pneumatics
n. 气体力学\\n[医] 气体力学
🗣️ 情景例句
What's the problem?
什么问题啦？
Better an egg today than a hen tomorrow.
前程虽远大，现实尤可贵。
The next stage is to get the elephant to the training establishment,
下一步就是把象带到训练场所，