龟背的英文：
[Chinese Medicine] curvature of the spinal column

参考例句：

An arched structure erected over the deck of a ship as protection from heavy seas.
龟背甲板船的甲板上拱形的结构，可保护船在狂暴的海上航行

chinese是什么意思：
n. 中国人；汉语，中文
adj. 中国的，中国人的；中国话的

crepe de chine yarn
双绉纱

The old prefessor came back to Chine in 1949 when the mainland had just been liberated .
这位老教授是在1949年回到中国的,当时大陆刚解放。

Chining and embossing operations particularly require heavy pressures in order to force the metal into the design on the face of the tools.
压花、压币工序特别需要高压来强使金属形成工具面的图形。

medicine是什么意思：
n. 药；医学；内科；巫术
v. 用药物治疗；给…用药

There is no medicine to cure a fool || There is no medicine for curing a fool
笨人无药可医

Combine Chinese traditional medicine with western medicine
使中医与西医相结合。

The medicine is requested to pestle into powder.
这种药要研成粉末服用。

curvature是什么意思：
n. 弯曲，弯曲部分，曲率

The locus of the centers of curvature of a given curve.
渐屈线一给定曲线率中心的轨迹

They accommodate by greatly changing the curvature of the cornea.
它们由大大地改变角膜曲率的方法来调节。

Bowleg:a leg having an outward curvature in the region of the knee.
弓形腿:在膝盖处外弯的腿。