基本解釋[物理學(xué)]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(xué)緩沖保護器