The main entrance is now marked on the outside by a large reflection pool, (which mirrors the form of the bedrooms), and highlights the new facade rendering (grooved SLATE), in this area.

现在，主入口通过大型倒影池标示在外面，(这反映出卧室的形式)，并突出了新的粉刷立面(沟槽的石板)。

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Two combustion chamber configurations preventing accumulation of thick mixture in the near wall area are described:1) grooved combustion chamber.

本文提出两种方法：1）在壁面设置矩形凹槽，并且利用环境的气流运动加快射流气体的混合；

youdao

The researchers tested this theory by making tiny structural changes to this grooved area, and found this seemed to neutralise the enzyme's action.

BBC: NEWS | Health | Cancer agent mysteries revealed