pʌls noun
2
MUSIC
音乐
a strong regular beat in music 〔音乐的〕拍子,节奏,律动 C,U
从远处的钢鼓乐队传来的鼓点声
3
SOUND/LIGHT/ELECTRlClTY
声/光/电
an amount of sound, light, or electricity that continues for a very short time 〔声波、光波或电流的〕脉冲 C