气步枪的英文：
air rifle

air是什么意思：
n. 空气；大气；天空；空间；微风；样子；神态；气氛
v. 晾；通风；广播

There was not a breath in the air.
一丝风也没有。

a nip in the air
空气中有一种刺肤的寒冷

To fish in the air
海底捞月

Clean the air intakes regularly for sufficient air flow
定期清理进风口以保证有足够的空气流量

The switch hovered in the air.
鞭子在空中摇晃。

rifle是什么意思：
n. 来福枪，步枪
v. 抢夺；偷走；快速搜寻，匆忙翻找

The crack of a rifle is very sharp.
手枪的爆声很尖锐。

The soldiers couched their rifles and prepared to charge.
士兵们将步枪放平准备冲锋。

The soldier leveled his rifle at the target.
士兵举起步枪瞄准靶子。

The raccoons rifled all the food in the camp.
浣熊窃走了营地的全部食品。

Rifle reports could be heard in the distance.
听得见远处传来的步枪声。