a knife with a retractable blade
弹簧刀
1.能缩进的;伸缩自如的
2.可取消的,可撤回的
1.able to be pulled backward or inside something larger
1.Checkpoints, armed guards, vans, mirrors, dogs, and retractable barricades now sealed off a two-block perimeter around the White House.
如今，检查站，武装警卫，前哨，检查镜（查看车底有没有安装炸弹），警犬和可收缩的路障将白宫两条街之外的范围封锁起来。
2.The retractable air door has no deformation when the downhole pressure of a coal mine changes.
它是一种在煤矿井下压力出现变化时不变形的可缩性风门。
3.The retractable cavity is provided with a zipper, and an aroma box is arranged near the hot air inlet of the retractable cavity.
所述伸缩腔上有拉链，且在伸缩腔上的热风进口附近有香气盒。
4.Skimming across the water using almost no energy at all, retractable wheels for easy interchangeability between glide and drive.
略读使用上都几乎没有能源和驱动之间的滑动轻松互换性，伸缩的轮子水。
5.We are dedicated ourselves to develop, design, and manufacture the retractable series product Since the company founded 10 years ago.
公司自创建10年来一直致力于专业伸缩特性产品的开发、设计及生产，享有自己权威品牌。
6.A retractable lock is arranged between a mounting desktop and a casing, a fixing clasp is arranged at two ends of the retractable lock.
在安装台与外壳之间设置有伸缩锁，在伸缩锁两端设有固定夹。
7.The JMK sweatshirts are reversible microfiber with polar fleece lining and a removable hood with elastic or retractable drawstrings.
JMK款运动衫是可逆超细纤维的，带有摇粒绒衬里，以及带有弹力或伸缩束带的可折装的风帽。
8.The gauntlets had their razors made retractable and able to be fired.
手套带有可以回缩和发射的刀片。
9.And does it have retractable claws and a lethal tongue? I would have told a real cat to get stuffed, but not this one.
一只机器猫能跳多远？它有一个可收缩的爪子，和有毒的舌头吗？我能把一只真猫赶跑，对这只可不行。
10.Overall, the Sharan will likely be bigger in almost every way, with third-row retractable seats being introduced on the next generation.
总体而言，可能会夏朗几乎在每一个大的方式，与第三排座位介绍了可伸缩的下一代。