氣動噪聲

aerodynamic noise

gas / air / smell / weather / to make angry / to annoy / to get angry / vital energy / qi

gas; air / smell / weather / to make angry; to annoy; to get angry / vital energy; qi

pneumatic

(of sth) to move / to set in movement / to displace / to touch / to make use of / to stir (emotions) / to alter / abbr. for 動詞|动词[dong4 ci2], verb

the chirping of birds or insects / noise / clamor / buzzing / disturbance

variant of 噪[zao4]

(literary) (of birds or insects) to chirp / (bound form) to make a cacophonous noise

noise

sound / voice / tone / noise / reputation / classifier for sounds