Pneumistor
气动放大器
🗣️ 情景例句
My hobbies are hiking, fishing and climbing.
我的嗜好是远足、钓鱼和爬山。
Open your book,please.
请把书打开。
This is because the surface of the earth is not flat but round.
因为地球表面不是平的，而是圆的。