yī shēng / zhèng zài / yán jiū / mí zǒu shén jīng / cì jī / duì / yì yù zhèng / de / zhì liáo / xiào guǒ

医生正在研究迷走神经刺激对抑郁症的治疗效果。

Doctors are studying the therapeutic effects of vagus nerve stimulation on depression.