In conversation La Farge's mind was opaline with infinite shades and refractions of light, and with color toned down to the finest gradations.

在谈话中，拉法奇的头脑是乳白色的， 有着无限的阴影和光线的折射， 颜色被调到最精细的层次。

Nor should it be forgotten, when we look to the special parts of allied species, instead of to distinct species, that numerous and wonderfully fine gradations can be traced, connecting together widely different structures.

也不应忘记， 当我们着眼于近缘物种的特殊部分而不是不同物种时， 可以追踪到无数非常精细的等级， 将截然不同的结构连接在一起。

Darkened Oona comes to notice " finer gradations in the texture of someone's skin and the shape of their cheekbones and the nature of their hair, " but this somehow leads to a conceit comparing people to trees.

黑肤乌娜开始注意到“某人的皮肤纹理、颧骨形状和发质的细微变化”，但这不知怎的导致了一种把人比作树的自负。