2 sentences

1. 在声学中，谐音的组成决定了乐器的音色。

   zài shēng​xué zhōng, xié​yīn de zǔ​chéng jué​dìng le yuè​qì de yīn​sè.

   In acoustics, the composition of harmonics determines the timbre of an instrument.

   Source: Dong Chinese Dictionary

2. 很多春联利用谐音来表达吉祥的寓意，比如“鱼”和“余”。

   hěn​duō chūn​lián lì​yòng xié​yīn lái biǎo​dá jí​xiáng de yù​yì, bǐ​rú“ yú” hé“ yú”.

   Many Spring Festival couplets use homophones to express auspicious meanings, such as 'fish' and 'surplus.'

   Source: Dong Chinese Dictionary