基本解释n.聲級同根派生 英汉例句Keywords demolition noise;soundlevel monitor;equivalent containuous sound level;sound pressue level; 爆破噪聲;聲級器;等傚連續聲級;聲壓級;soundlevel monitor 聲級器sound soundlevel [化] 噪聲計soundlevel (sound level) 噪聲計