スチールカメラ still camera

still（第九定義）を スチール と発音してしまうから、厄介なことになる。スチールカメラは普通のカメラのこと。0:26 the police also released a still photo of a discarded revolver allegedly used by one of the suspects. 警察は容疑者の一人が犯行に使用したとされる拳銃のスチール写真を公開した。

CCTV shows suspect in shooting of two NY police officers

https://www.youtube.com/watch?v=1kLMLkEepCc  0:49 police have released stills of the suspects. 容疑者の写真数枚。　
Shocking CCTV footage of 2 men attacking a man for his £15,000 Rolex

https://www.youtube.com/watch?v=hWMEOPCsP8Q  0:47 you can take your still photos. and have them come to life. iPhone 6S は静止画を撮って、ちょっと動画っぽくすることが出来る。
Apple's four-inch iPhone SE in :90

https://www.youtube.com/watch?v=12O_R0oi16U  0:25 you see right there in the still images. 　
Video shows 4-year-old fly out of moving bus

練習問題解答
a-6593 still images
b-3515 still photographers