基本解释[物理學]緩沖保護器英汉例句雙語例句The lights bump off in sequence. The guard exits, footsteps echoing away. Darkness now.燈一盞接一盞的滅掉，守衛走了，腳步聲慢慢地消失。bump guard更多例句专业释义物理學緩沖保護器