在所有参赛选手中，她的身材最为精瘦结实。

Among all the competitors, she had the ___leanest and most toned physique.

这家工厂采用最精简的生产流程，几乎没有浪费。

This factory uses the ___leanest production process with almost no waste.

暴风雨过后，这棵树倾斜到了最危险的角度。

After the storm, the tree was at its ___leanest and most dangerous angle.