例句與造句

1. They also introduced a manual focusing ring and a headphone socket.
2. The manual focusing ring has been replaced by a very small thin focusing ring on the front tip of the lens.
3. They also point out that because the lenses for this camera do not have manual focusing rings, the manual focus that the camera does have is rudimentary at best.
4. It's difficult to find manual focusing ring in a sentence. 用manual focusing ring造句挺難的