吼
growl; growlingly; roar; yowl
吼叫
snarl
吼叫的
loudmouthed
好声好气
gently; in a kindly manner
号声
trumpet call
和声的
harmonic
和声学
harmonics
harmony
嘿声微音器
microphone hummer
哼声
hem; hum; pshaw
宏声纳
macrosonics
喉室声带切除术
ventriculocordectomy
后天性声ㄗ
acquired veil
呼声
cry; voice
呼声表决
voice vote
呼吸声门
respiratory glottis
互调噪声
intermodulation noise
环境噪声
ambient noise
环绕式表面声波延迟线
circulating surface acoustic wave delay line
回声
echo; resonance
echo
echo
回声测定
echolocation