后壳塞盖backshield: 散射线屏蔽; 散射线遮挡backsheet: 后板 副份backshift: 交叉班; 准备班backsheesh: backshish ＝ baksheesh. backshish: backshish ＝ baksheesh. 下载手机词典可随时随地查词查翻译
