The structure of the backbone shows, however, that Ambulocetus swam like modern whales by moving the rear portion of its body up and down, even though a fluke was missing.
不过，走鲸的脊椎结构显示，即使没有尾片，它们在水中同样能够像现代鲸鱼那样通过身体后面部分的上下摆动来游动。
Irrigation works; Pile the barnacle body up; Prevention and cure.
水利工程；堆砌石砌体；防治。
Also elongate through the inner core of your body up through the crown of your head.
也通过身体里面的核心、通过头顶向上延长。
Frontal drag is reduced by thrusting and kicking, which brings the body up higher out of the water.
前沿阻力可以由迅捷而有力的前伸和打水来克服，比如前伸和打腿动作能把更大部分的身体前部抬高。
Lie in the prone position, with your hands on the floor and repeatedly press the upper body up and down.
弯下上身，俯卧，手撑地面，重复将上身支起并放下。
Big Air Projection: When executing the take off extension concentrate on projecting the body up into the air.
当在做起跳伸展时，要全神贯注于将身体向上投向空中。
Use Method: With both hands grip tightly on the horizontal bar, lift the body up and down. It is just for two persons once.
使用方法：双手握杠，曲肘并作上下运动，禁止横向拉动双杠。该器材较适合于中、青年人群，限二人使用。
As long as you're fast enough to stay in front of your man, then you can body up on him as long as you want and it'll be an offensive foul.
只要你能够迅速地跑到你所防守的球员的前面，你就可以对他进行贴身防守，而这通常能够造成对方的进攻犯规。
Keep a good distance between your skis, so you have room enough to work with both skis, and move your body up-and-down in a rhythmic motion.
你的两只雪板应保持一个恰当的距离，因为你应当给你的雪板一个足够的工作空间，并且使你的身体在滑行过程中有节奏的上下起伏。
An exercise for strengtheningarm muscles performed by lying face down with the palms on the floor, and pushing the body up and down with the arms.
俯卧撑锻炼手臂肌肉的运动，运动时脸部朝下卧着并把手掌撑在地面上并且用胳膊推动身体上下运动。
An intelligence test score in early life is partly a record of what the environment has wrought on the brain and the rest of the body up to that time.
早年的智力测试成绩一定程度上记录了截至测试时环境对大脑和身体的其他器官施加的影响。
Last year when Yao Ming broke his leg, Mutombo picked his venerable body up off the bench and helped the Rockets hold their season together with a 20-12 record.
去年姚明大腿受伤后，穆大叔拖着老迈之躯从替补席上奋起，帮助火箭稳住常规赛并交出了20胜12负的不错战绩。
Then the pair carried the body up the pitcher walls, an equally tough job because the surface is slippery, thanks to a flaky wax that helps the pitchers entrap their prey.
然后这对蚂蚁把尸体拖到植物壁上，这是一项艰巨的工程，因为表面真是太滑了，都是因为植物分泌蜡以防食物被拖走。
Communication within the body and the consequent integration of behavior were considered the exclusive province of the nervous system up to the beginning of the present century.
直到本世纪初，身体内的交流和随之而来的行为的整合都被认为是神经系统的专有领域。
When not in use, the fins are tucked into special grooves or depressions so that they lie flush with the body and do not break up its smooth contours.
当鱼不使用鱼鳍时，会将它们折叠起来，收回到特殊的沟槽或者凹陷部位；这样鱼鳍就可以与身体保持齐平，以维持它们平滑的外形。
Last year Glenn Tattersall of Brock University in Ontario, Canada, found the toco toucan loses up to 60 per cent of its body heat through its beak.
去年，加拿大安大略布鲁克大学的格伦·塔特索尔发现，托哥巨嘴鸟身体中高达60%的体温都会通过其喙部流失。
It was time to step it up a notch and get my body in shape it deserves.
现在是时候将其提升一个档次并使我的身体保持其应有的身材。
A leatherback may be able to pick up some body heat by basking at the surface; its dark, almost black body color may help it to absorb solar radiation.
棱皮龟可以通过在水面上晒太阳来为身体获取热量；深色近乎黑色的身体颜色可以帮助它吸收太阳辐射。
Sickness will often then be a result of unresolved inner conflicts which in time show up in the body.
疾病常常是未解决的内在冲突的结果，这些冲突最终会在体内显现出来。
With every stride, runners hit the ground with up to five times their body-weight.
赛跑者的每一步都以5倍于他们体重的力量撞击地面。
A cool shower wakes up the body and boosts circulation.
冷水浴使身体振奋，促进血液循环。
One possibility he says is that tears discharge certain chemicals from your body, chemicals that build up during stress.
他说，一种可能性是，眼泪会从身体中释放出某些化学物质，这些化学物质是在压力下积聚起来的。
It makes up the body and substance of all musical activity.
它构成了所有音乐活动的主体和实质。
Damaged cells are then cleaned up and the body sends cells specially designed to break down the large muscle fiber fragments.
受损细胞随后被清理干净，并且身体会产生专门用于分解大块肌纤维碎片的细胞。
Bad habits such as smoking, drinking, staying up late would have your body in bad shape.
吸烟、喝酒、熬夜等不良习惯会让你的身体处于不良的状态。
I mean, as it flies all the way across the Gulf of Mexico, it uses up almost none of its body fat.
我的意思是，它飞越墨西哥湾是几乎不消耗身体脂肪的。
The giant bill of the chestnut-mandibled toucan makes up a third of the bird's body length, but thanks to a honeycomb structure, it's not as heavy as it looks.
栗嘴巨嘴鸟很大的喙占据了它身体的三分之一长度，但由于其为蜂巢式结构，它并没有看起来那么重。
Like all gyms, they have all sorts of things to help build up muscles in different parts of the body, like applied bicycles, chest stretching machines, and running machines.
像所有的健身房一样，它们有各种各样的器材来帮助锻炼身体不同部位的肌肉，比如实用的自行车、胸部拉伸机和跑步机。
The strategic regulation of evening body reserves is also likely to incur additional costs, as nightingales must spend more time foraging in order to build up larger body reserves.
晚间的身体储能的策略管理机制，也会产生额外的能量支出，这样夜莺就必须花更多时间找食物，来增加储能。
Although home cooking is time-consuming and following washing-up tiresome, it offers healthy and delicious meals your body likes and needs.
虽然在家做饭很耗时，洗碗也很烦人，但它提供了你身体喜欢和需要的健康美味的食物。
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