n.扩大；扩充；详述；引申；推广；增幅；放大(率)；放大倍数（系数）

The voice of despair may be weak and need amplification. 绝望的呼声可能很微弱，需要变大。

Such an accident would yield false results, especially if PCR amplification is used. 这样的偶然事件会产生错误的结果，尤其是当使用pcr扩大程序时。

That comment needs some amplification. 这个评论需要一些阐明。

Some of them require further amplification. 其中有些内容需进一步详细阐明。

You look at the nine times amplification? 你再放大九倍看看?