Definition
发声 is a separable verb (离合词) meaning 'to produce sound, to vocalize'. You can insert complements or measure words between 发 and 声, e.g., 发不出声 (cannot produce sound). In linguistics, 发声 also refers to 'phonation' or 'unaspirated initial', but those are noun usages not covered by this row's POS.
v.o.
to produce soundto vocalize
Examples
- 发声，。Tā měitiān liànxí fā shēng, shēngyīn yuè lái yuè hǎotīng le.He practices vocalizing every day, and his voice sounds better and better.
- ，。Zhège lǎba fā bù chū shēng, xūyào xiūlǐ.This speaker can't produce sound; it needs repair.
- 发声。Yīng'ér chūshēng hòu dì yī cì fā shēng shì kū.A baby's first vocalization after birth is crying.
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