2 sentences for 共鸣 (gòng​míng — resonance)

1. 音叉因为频率相同而产生了共鸣。

   yīn chā yīn​wèi pín​lǜ xiāng​tóng ér chǎn​shēng le gòng​míng.

   The tuning forks resonated because they had the same frequency.

   Source: Dong Chinese Dictionary

2. 琴弦的波动通过共鸣箱发出了美妙的声音。

   qín​xián de bō​dòng tōng​guò gòng​míng xiāng fā​chū le měi​miào de shēng​yīn.

   The vibration of the strings produced a beautiful sound through the resonance box.

   Source: Dong Chinese Dictionary