1.Red blood cells are tiny by concave disc-shaped cells known as erythrocytes.

红细胞很小，被称为红细胞的凹盘状细胞。

2.Concave mirrors direct the sun to a middle tube to heat an oil solution.

凹面镜将阳光引导到中管，对油溶液进行加热。

3.It's not like sliding around at the concave at the bottom, like a tension.

它并不是在底部的凹处滑滑去，就像有拉。

4.I would, I'd be going down concave over.

我会，我会下凹。机翻

5.You built that big concave glass tower.

你建了座凹面的大玻璃楼。

6.They find a concave branch or  stump and lay their egg there.

他们找到个凹形的树枝或树桩，并在那里产卵。机翻

7.There's a concave deformity in the right atrium.

右心房有凹陷形变。

8.A concave mirror creates an image from this light using a design pioneered in the 17th century, by Sir Isaac Newton.

早在17世纪，艾萨克.牛顿就创性的利用这个光，让凹透镜产生了个图像。

9.The flight of a woodpecker is a succession of dips and rises, a series of concave curves.

啄木鸟的飞行是连续的下降和上升， 系列凹曲线。机翻

10.But that can be corrected by using a concave lens for an eyepiece, like Galileo did.

但这可以通过使用 凹透镜作为目镜，就像伽利略所做的那。

11.It arose from the concave form of the gallery and the conducting power of the rock.

它源于画廊的凹形和岩石的传导能。机翻

12.He flapped across the room, chest concave, shoulders rounded, arms hanging limp, feet wide apart, chin thrust forward.

他拍打着穿过房间，胸部凹陷，肩膀圆润，双臂无地垂下，双脚分，下巴向前。机翻

13.Four concave mirrors were hung within it, and there was an altar of white marble, surrounded by a chain of magnetic iron.

里面挂着四面凹面镜， 还有个白色大理石的祭坛， 周围环绕着条磁铁链。机翻

14.Unfold that sheet, and there's a pattern of lines, each of which represents a concave valley fold or a convex mountain fold.

展那张纸，有种线条图案，每条线代表个凹谷折或凸山折。机翻

15.A narrow source of light is bounced off a concave mirror towards a camera, with a thin metal blade blocking some of the focused light.

窄光源从凹面镜反射到照相机，金属刀片阻挡部分聚焦光。

16.Then he placed heating lamps on one side of the paper and concave mirrors on the other, with the mirrors directed toward the area.

然后，他在纸张的侧放置加热灯，在另侧放置凹面镜，镜子对准该区域。机翻

17.Diverging lenses have a concave shape and do the opposite of a converging lens, causing rays of light to diverge away from the lens’s axis.

发散透镜具有凹面形状，与会聚透镜相反，导致光线从透镜轴发散。机翻

18.Diverging lenses have a concave shape and do the opposite of a converging lens, causing rays of light to diverge away from the lens's axis.

间隔透镜具有凹面形状并反射成组的透镜，导致光线从透镜轴散射。

19.While Galileo used a concave lens for his eyepiece, the standard refracting telescope uses a convex, converging lens for both the objective lens and the eyepiece.

伽利略的目镜使用凹透镜，而标准折射望远镜的物镜和目镜都使用凸透镜。

20.They plunged into the concave field on the other side of which rose the village-the field wherein Jude had received a thrashing from the farmer many years earlier.

他们跳进了凹陷的田野，在凹陷的田野的另边耸立着村庄——多年前裘德就是在这里挨了农夫顿痛打的。机翻