It was like working a crossword puzzle in three dimensions.
这项工作简直就像做复杂的立体填字游戏。
The three dimensions form an intact Chinese reading-teaching objective system.
三个维度建构了一个完整的阅读教学目标体系。
In three-dimensions, it could even be a saddle point.
在三维空间中，它甚至可以是一个鞍点。
In three-dimensions, it could even be a saddle point.
在三维空间中，它甚至可以是一个鞍点。
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