I'd take a foldable umbrella just to be on the safe side.

为了安全起见，我还是带把折伞好了。

youdao

A foldable umbrella occupies only a little room, somebody still uncomfortable with it. Maybe this inflatable one is better for them?

折叠雨伞虽然占据很小空间，但有些人还是认为把它放在家里是个累赘。

youdao

Some characters of compliant mechanism can improve the performance and efficiency of metamorphic mechanism. An umbrella foldable compliant mechanism is proposed in this paper.

提出一种伞式可折叠柔性变胞机构，该机构综合了变胞机构和柔性机构两大特点。

youdao