n.光(電)耦合器

CTR Technological Controlling on Photo Coupler 反射式光耦的CTR工藝控制

Keep the sun behind you when you take a photo. 拍照時要讓太陽留在你的身后。

He showed me a photo of a family group. 他給我看一張合家歡的照片。

Many a time have we come across this same photo. 我們多次都見到過這同一張照片。

He adjusted the shutter before taking a photo. 在照相前，他調(diào)整了快門。

The woman on the photo is my paternal grandmother. 照片上的這個婦人是我祖母。