The chair has a ratchet below it to adjust the height.

这把椅子下面有一个棘轮来调整高度。

《柯林斯英汉双解大词典》

The frame of this lounge chair folds upon itself into seven different seating positions including the arm chair shown above and the chaise lounge and bench chair below.

这个躺椅框架折叠成七种不同的座位位置，包括扶手椅和躺椅和长椅。

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Below you can see both HDRI Settings and camera Settings (almost default) used for the shoot where we see the swimming pool + chair.

下面你可以看到HDRI的设置和相机设置(几乎默认)用于游泳池和椅子的渲染场景。

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"While no country scored a perfect score, the majority of countries scored below 50, indicating a serious corruption problem, " said Huguette Labelle, the chair of Transparency International, in a news release.

CNN: Best, worst nations for corruption