complex light amplitube

例句：

1. 1. The engineer used an amplitube to boost the sound quality of the recording.
   工程师使用一个放大器来提升录音的声音质量。
2. 2. The teacher demonstrated how to use an amplitube effectively.
   老师演示了如何有效地使用扩音器。
3. 3. The scientist used an amplitube to record the sounds of the forest.
   科学家使用一个扩音器来记录森林里的声音。