retractable

常见例句

Unlike that benignly daft creature, this real-life surgeonfish in Indonesia carries a sharp retractable blade of bone near the base of its tail.
跟那只疯疯癫癫的亲切生物不同，印度尼西亚的这只正牌医生鱼在尾巴附近有一片能伸缩的锋利骨片。
There are two types of needle electrodes: simple straight needles and a straight, hollow needle that contains several retractable electrodes that extend when needed.
有两种类型的电极针：简单的直线针和直线空心针（它包含了几个必要时可伸缩的延长电极）。
Also under consideration is a project to cover the entire Bernabeu with a transparent retractable roof.
一个透明的可伸缩式的，足以覆盖整个伯纳乌的顶罩也正在考虑之中。

If you have a pool, padlock the surrounding gate or install a retractable cover.
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Features include a 14, 000 log cabin, 82 ft long pool and glass lodge with retractable roof.
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At the heart of the house is an eye-shaped swimming pool with a retractable roof.
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