medium intensity

例句：

1. 1. The movie had a medium intensity of suspense.
   这部电影的紧张程度是中等的。
2. 2. The music was played at a medium intensity to avoid disturbing the audience.
   音乐以中等强度播放，以免打扰观众。
3. 3. The firefighters used a medium intensity fire extinguisher to put out the blaze.
   消防员使用中等强度的灭火器扑灭了大火。