vt.

1. 放大（声音等）；增强
   An electronic device amplified the speaker's voice.

   电子设备放大了演讲人的声音。

2. 扩大；扩展
   amplify the scope of discussion

   扩大讨论的范围

3. 详述，详说
   Let me amplify my earlier remarks.

   我来详细说说我早些时候讲过的话。

4. 夸大，夸张

vi.

1. 发挥，详述[（+on）]
   He amplified on that point.

   他进一步阐明了该点。

v.

1. increase the volume of (sound), especially using an amplifier.
   ▸increase the amplitude of (an electrical signal or other oscillation).
2. make (a statement) more detailed.
3. make more marked or intense.
4. Genetics  make multiple copies of (a gene or DNA sequence).