pneumatic gun

• n. 气枪

例句

用作名词 (n.)

1. The most widely used large energy source is the air gun.
   应用最为广泛的大的能量源是空气枪。
2. Stilwell promised his brother a pneumtic gun on his birthday.
   史迪威在他弟弟过生日的时候应许给他一支气枪。