1·First contender: a beach umbrella, which they evaluated with a spectrophotometer to see if UV rays passed through.
第一个竞争者：一把遮阳伞，他们用分光光度计来评估紫外线是否通过。
2·He put up his beach umbrella and lay down in the warm sun.
他撑开遮阳伞，躺在温暖的阳光下。
3·Miguel put up his beach umbrella and lay down in the warm sun.
米格尔撑开他的遮阳伞，躺在温暖的阳光下。
4·The full-automatic telescopic type automobile beach umbrella can automatically protrude and open, furl and contract and is convenient to be operated.
该全自动伸缩式汽车遮阳伞能自动伸出打开、收拢收缩，操作方便。
5·He took his bathing suit, towel, beach umbrella, and his new boombox.
他带上他的游泳衣，毛巾，遮阳伞和新单放机。