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1·She noticed the slight hollows under his cheekbones.

她注意到他颧骨下面的轻微凹陷。《牛津词典》

2·During the second rainy period, the dunes were kind of chopped up at the top, full of hollows and ridges, and these hollows would've captured the rain right there on the top.

在第二次雨季，沙丘的顶部被砍伐了，到处都是凹洞和山脊，这些凹洞正好在顶部吸收了雨水。

3·Have filled the hollows full.

将坑洼处填满。

4·Water collects in hollows.

水在坑洼处聚集。

5·This road has a lot of little hollows.

这条路上有很多的小坑洞。

6·But when the moon their hollows lights.

但当月光照亮他们的空洞。

7·The glaciers carved hollows in the land as they traveled.

冰川流动时，在大地上切割出凹地。

8·Hollows, in their attempt to bury their lost of life heart?

虚为了设法埋葬它们失去的生命？

9·The eyes are just spheres set in the hollows of the antennae.

眼睛是刚刚领域的设置，在空洞的天线。

10·Small animals and insects build their homes in the hollows of trees.

鸟类在树上筑巢，小动物和昆虫则在树洞中栖居。

凹陷

1·She noticed the slight hollows under his cheekbones.

她注意到他颧骨下面的轻微凹陷。《牛津词典》

2·The slash of her cheekbones created hollows in her face.

下凹的面颊骨在她脸上形成两处凹陷。

3·Most species make their nests on bare ground, and lay their eggs in shallow hollows scraped in the icy dirt.

大部分品种的企鹅在露天地上筑巢，将卵产在浅滩凹陷处，埋入冻土层中。

4·There are just a couple of small places untouched by either light: the dark area where the nose meets the eye socket, and the hollows above and below the ear.

只有一些小角落都没被照到：鼻子和眼窝交界的地方，耳朵上方和下方的凹陷。

中空

1·For example, birds have hollows bones, and insects have no bones at all. But most mammals have solid and heavy bones, which could make flying tough.

比如，鸟有中空的骨头，昆虫根本就没有骨，而大部分哺乳动物都有坚固而又沉重的骨头，这就使得飞行变得很困难。

(1)hollow fiber中空纤维

(1)hollow glass中空玻璃；凹窝载玻片

(1)hollow block空心块，空心砖

(1)hollow cylinder空心圆柱体

(1)hollow shaft管轴，空心轴

(1)hollow concrete空心混凝土；多孔混凝土；大孔隙混凝土