For photoflash, lug type, miniaturized, low leakage current reduces battery consumption.

光灯用焊片式缩体产品，漏电流小，可减少电池消耗。

There was a startled look on his face when the flash bulb went off.

光灯灭时，他脸上副惊愕的表情。

There is a build-in flashgun in this camera.

这个照相机里内置了个光灯。

You'd better apply a photoflash if you take a photo in a room.

如果在室内拍照，你最好用光灯。

Objectives: Over the past decade numerous studies have provided evidence that memory for highly stressful events is not "flashbulb" in nature, but mutable.

在过的十年中，究证明对强烈应激事件的记忆并不是象照相机的光灯定格那样的真实和固定，而是会变化的。

The speedlight will pre-flash that area and lock that exposure into memory.I might caution you that you have 16 seconds to then recompose and take the shot.

光灯会预并把曝光值记忆下来，注意你有16秒的时间重新构图拍摄。