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.
跟那衹瘋瘋癲癲的親切生物不同，印度尼西亞的這衹正牌毉生魚在尾巴附近有一片能伸縮的鋒利骨片。
There are two types of needle electrodes: simple straight needles and a straight, hollow needle that contains several retractable electrodes that extend when needed.
有兩種類型的電極針：簡單的直線針和直線空心針（它包含了幾個必要時可伸縮的延長電極）。
Also under consideration is a project to cover the entire Bernabeu with a transparent retractable roof.
一個透明的可伸縮式的，足以覆蓋整個伯納烏的頂罩也正在考慮之中。

If you have a pool, padlock the surrounding gate or install a retractable cover.
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At the heart of the house is an eye-shaped swimming pool with a retractable roof.
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