这种金属板在曝光后可以产生能被转移到纸上的图像。

This metal plate is exposed to light and creates an image which is then transferred to paper.

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由此，镜面翻转造成的震动就有时间在曝光开始前缓和下来。

This way, any vibrations induced by the mirror have time to settle down before the exposure begins.

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你可以选择带上小闪光灯，打在物体上，聚焦，在曝光前移除。

Alternatively, bring a small flashlight since this can be set on the subject, focused on, and then removed before the exposure begins.

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to really expose yourself and to really take the criticism because it will happen.

要真正地曝光自己，在遇到批评时要真心接受，因为这都是会发生的。

有这样的困难 - SpeakingMax英语口语达人