基本解釋[物理學]緩沖保護器英漢例句雙語例句The lights bump off in sequence. The guard exits, footsteps echoing away. Darkness now.燈一盞接一盞的滅掉,守衛(wèi)走了,腳步聲慢慢地消失。bump guard更多例句專業(yè)釋義物理學緩沖保護器