camera gun

• 照相机镜头

camera gun的用法和样例：

例句

1. He set the camera for a long-distance shot.
   他调整照相机镜头拍摄远景。
2. A net is to a fishman what a gun is to a hunter.
   网对于渔夫就象枪对于猎人。
3. When an atom shoots out a photon of light, it recoils like a gun.
   原子发出光子时，会象枪一样地反冲。