词汇	black as pit
释义	black as pit 漆黑的；黑洞洞的
随便看	Active-low active low clock active lowing hooks active low inverter Active Low Light Level Television Active Low-Light-Level Television active low pass filter active low-pass filter active low signal active-low signal active low structure active low structure black active lubricant actively actively acquired immunity actively acquired immunization actively allergized cell actively compete actively-controlled structure actively develop overseas industry actively employed actively engaged in paid work actively establishing actively involve in life Actively listen for feeling and content