drawbridge

可开闭的吊桥英释中释na bridge that can be pulled up to stop people from entering a castle, or to let ships pass

1 Hearing the wheels on the drawbridge, Puss in Boots hastened out..听见吊桥上车轮的声音，穿靴子的猫急忙跑了出来。

2 The old security model was for IT to build a big mote around the corporate network and only let trusted, authorized employees come across the well-guarded drawbridge and into the proverbial castle..IT旧的安全模型是在企业网络周围建立一刻巨大的微尘，只让受信任的、已授权的员工穿越守卫严密的吊桥墙进入众所周知的城堡。

3 With few other tourists for company, we charged around the ramparts, stampeded across the drawbridge and did battle on the, um, battlements - the setting was so filmic, it was hard to resist the urge..几乎没有别的游人同行，我们冲破壁垒，穿越吊桥，在城墙上战斗——背景真像在电影里一样，我们拟制不住模仿一番的冲动。