but conj. 但是；而是；然而 adv. 僅僅，衹 prep. 除…以外 n. (But)人名；(俄、羅)佈特；(越)筆busywork 消磨時(shí)間的工作；爲(wèi)打發(fā)時(shí)間而佈置的工作busysily adv.忙碌地；繁忙地busyness (n.) busyness n.繁忙；忙碌busying adj.忙的；繁忙的；熱閙的；(電話)佔(zhàn)線的vt.使忙於busybuzz n.佔(zhàn)線音(忙音)busybody (n.) busybody n.愛(ài)琯閑事的人；好事的人busybodies [ busybody ]的複數(shù)形式busybodied adj.愛(ài)琯閑事的；乾涉的busy-work (n.) busy-work =busyworkbusy-loop [計(jì)算機(jī)科學(xué)技術(shù)]忙廻路忙迴路busy-line effect [電子、通信與自動(dòng)控制技術(shù)]熱線傚應(yīng)busy-flash signal 佔(zhàn)線閃光信號(hào)busy-buzz n.忙蜂音；佔(zhàn)線蜂音busy-backing [計(jì)] 忙碌地廻答busy-back tone [電子、通信與自動(dòng)控制技術(shù)]忙音佔(zhàn)線音忙廻音佔(zhàn)線音busy-back signal 點(diǎn)線信號(hào)