不幸的是，当一张标准床垫用旧后，其弹簧变软，因而不能支撑你的背脊。
Unfortunately, as a standard mattress wears, the springs soften and so do not support your spine.
可是双手和背脊实在痛得厉害。
那男孩用石子掷击小流氓的背脊。
我的背脊不断地撞击着圆柱壁。
他感到雨在抽打着他的背脊。
他把背脊靠在船梢上，知道自己没有死。
He leaned his back against the stern and knew he was not dead.
太阳晒在老人的左胳臂和左肩和背脊上。
The sun was on the old man's left arm and shoulder and on his back.
消息，他的背脊一阵发冷。
一条始于第一背脊骨基部。
这时他背脊挺直盘腿坐着，可是又似乎很轻松。
He was sitting cross-legged, his back was straight and yet he seemed to be so relaxed.
一个摸着大象的背脊说：“大象好像一张床。”
One blind man felt the elephant's back and said: "The elephant resembles a bed. ""
脊柱后凸，驼背脊椎不正常地向后弯曲，导致。
Abnormal rearward curvature of the spine, resulting in protuberance of the upper back; hunchback.
蓝鲸背脊呈浅蓝色，肚皮布满褶皱，带有赭石色黄斑。
Blue Whale my back was light blue, belly full of folds, with ocher color macula.
依芙：妳之前跟我说过，她说话的声音让妳背脊发凉。
Eve:You told me before that the sound of her voice makes your blood run cold.
于是云雀飞起来，扑在鹰的背脊上，啄起鹰的羽毛来了。
Then the skylark flew up and alighted upon the back of the eagle and began to pick at his feathers.
介绍了大功率背脊波导锁式铁氧体移相器的一般设计方法。
In this paper, the general design of the latching ferrite phase shifter in back ridged waveguide with high power handling capacity has been presented.
又兜了一圈，鱼的背脊露出来了，不过它离小船还是太远了一点。
On the next circle the fish's back was out but he was a little too far from the boat.
鹏长得很大，背脊像一座大山，翅膀像一大片云，能把天空遮住。
The roc was very huge, with its back like a big mountain, and its wings like a stretch of cloud which could cover the sky.
鹏长得很大，背脊像一座大山，翅膀像一大片云，能把天空遮住。
Thee roc was very huge, with its back like a big mountain, and its wings like a stretch of cloud which could cover the sky.
一个老是划十字，另一个在抓背脊，动了动嘴唇，像微笑的样子。
One of them kept on crossing himself, the other scratched his back and worked his lips into the semblance of a smile.
鹏长得很大，背脊像一座大山，翅膀像一大片云，能把天空遮住。
The roc was very huge, with its back like a big mountain, and itswings like a stretch of cloud which could cover the sky.
上管是菱形截面，增强的背脊硬度抵抗最激烈的攀登中产生的弯曲和扭转力。
The top tube is an enhanced diamond oval with ridge stiffeners that counters the side-to-side flex and torsion of even the most aggressive climb.
试试这个专注于呼吸的简单冥想方法：找一个舒适的位置坐下，挺直背脊，然后闭上眼睛。
Try a simple meditation technique where you focus on your breathing. Sit in a comfortable position with your back straight, and close your eyes.
“清明”节后的太阳已经很有力量，老通宝背脊上热烘烘地，像背着一盆火。
Though it was only a few days after " Clear and Bright Festival" the April sun was already very strong. It scorched Old Tong Bao' s spine like a basin of fire.
“清明”节后的太阳已经很有力量，老通宝背脊上热烘烘地，像背着一盆火。
Festival" the April sun was already very strong. It scorched Old Tong Bao' s spine like a basin of fire."
无独有偶，去年九月，在德国一只罗德西亚背脊犬也登上了头条，她也产下了17只幼犬。
A Rhodesian Ridgeback in Germany also hit the headlines last September when she also gave birth to 17 puppies.
怎么搞的，凡是在深暗的水流中游得很快的鱼都有紫色的背脊，一般还有紫色条纹或斑点？
Why is it that all the fast-moving fish of the dark current have purple backs and usually purple stripes or spots?
然后它会在树枝上把鱼摔死——当小鸟能够顺着鱼的背脊吞下一只棘鱼时，才会学习这个技能。
It thumps the catch against the branch to stun it-a lesson some young birds learn only after swallowing a stickleback that erects its dorsal spine on the way down.
然后它会在树枝上把鱼摔死——当小鸟能够顺着鱼的背脊吞下一只棘鱼时，才会学习这个技能。
It thumps the catch against the branch to stun it-a lesson some young birds learn only after swallowing a stickleback that erects its dorsal spine on the way down.
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