A dimensionless physics is not so profound as it may sound, nor would it necessarily be a terminus of man's downward probing

无量纲物理学不像听起来那么深奥,也未必是人们向深处探索的终点。

属类：综合句库--

A downward trend;a downturn.

下降趋势;下降(衰落)

属类：综合句库--

The road downward has but few landings and level places. The very state of his mind, superinduced by his condition, caused the breach to widen between him and his partner. At last that individual began to wish that Hurstwood was out of it.

下坡路上很少有落脚点和气地。他那和处境并发的精神状态,加大了他和他的合伙人之间的裂痕。最后,那个人开始希望摆脱赫斯渥了。

属类：文学表达-英语名著-

A sloping or bending downward .

下倾朝下的倾斜或弯曲

属类：综合句库--

Obviously the force of gravity mg is acting vertically downward

显然重力的mg作用垂直向下。

属类：综合句库--

Of or relating to the development or maturation of tissues or organs or the movement of substances,such as hormones,from the apex downward toward the base.

向基的与组织或器官的形成发展或与如荷尔蒙类物质运动有关的,从顶部向下往基部运动

属类：综合句库--

To roll onward or downward .

向前或向下流动

属类：综合句库--

The force upward equals the force downward so that the balloon stays at the level.

向上的力与向下的力相等,所以气球就保持在这一高度。

属类：工程技术-科技英语-

Floating downward ;a downward trend.

向下漂流;下降趋势

属类：综合句库--

Projecting downward ;overhanging.

向下突出的;悬伸在外的

属类：综合句库--

To bend downward ;droop.

向下弯曲;下垂

属类：综合句库--

Any of numerous beetles,of the superfamily Curculionoidea,especially the snout beetle,that characteristically have a downward -curving snout and are destructive to nuts,fruits,stems,and roots.

象鼻虫象甲总科的各种甲虫,尤指象鼻虫,其特征为有一个向下弯曲的鼻子,对坚果、水果、茎梗和根有破坏作用

属类：综合句库--

The little boy lay on the floor face downward .

小男孩脸朝下趴在地板上。

属类：综合句库--

A member, such as a beam, that projects beyond a fulcrum and is supported by a balancing member or a downward force behind the fulcrum.

悬臂,支架伸在支点之外的一个构件,如一段横梁,由与其持平衡的或向下的在支点后面的一个力支撑

属类：综合句库--

The rocker arm pivots around its supporting shaft so that the valve end of the rocker arm is forced downward . This downward movement forces the valve to move downward off its seat so that it opens.

摇臂围绕支承轴旋转,气门与摇臂相对应的一端压下。向下的运动使气门向下移动离开气门座,气门被打开。

属类：工程技术-汽车-

This means that whether the car is full or not, the electric motor never has to lift more than half the weight of the passengers. The other half is carried by the downward pull of the counterweight.

也就是说,电梯厢无论满载与否,电动机所须提升的重量都不会超过一半乘客的重量,另一半重量由平衡配重的向下拉力承担。

属类：工程技术-建筑-建筑物

Therefore one certainly cannot make an investigation, or do it well, without zeal, a determination to direct one's eyes downward and a thirst for knowledge, and without shedding the ugly mantle of pretentiousness and becoming a willing pupil

因此,没有满腔的热忱,没有眼睛向下的决心,没有求知的渴望,没有放下臭架子、甘当小学生的精神,是一定不能做,也一定做不好的。

属类：综合句库--

As the commuter plane in the cartoon plunges downward , the fat passenger testily refuses to acknowledge her guilt in misleading the airline about her weight

由于漫画中的通勤飞机正往下栽,那位胖乘客烦躁地拒绝承认自己向航空公司隐瞒体重所应负的责任。

属类：综合句库--

The panicle may be short and closely bunched, or it may be long and open, with side branches which bend downward .

有的短而紧凑,有的长而披散,侧枝下垂。

属类：行业术语-农业-农作物

Some say it is made by the sand grains grating against each other and some say the noise comes from the vibration of air resulting from human bodies sliding downward

有人说,这是沙粒互相摩擦之声,也有人认为是人体下滑时引起空气的振荡。

属类：综合句库--

Sometimes we will be rising toward the heights, then all will seem to reverse itself and stare downward

有时我们会顺利迈向顶峰,然后一切都会倒转,走下坡路了。

属类：综合句库--

Production estimates have been revised downward for several countries including Argentina, Brazil, Nicaragua, and peru

有些国家如阿根廷、巴西、尼加拉瓜和秘鲁等国的估计产量已经调低。

属类：综合句库--

The rain drops may start downward through a layer of warm air and then strike a mass of cold air, where each raindrop freezes

雨滴可能先穿过暖空气层往下落,然后又接触到一团冷空气,于是每个雨滴都冻结成冰珠。

属类：综合句库--

Any of eight species (genus Numenius)of shorebirds having a sickle-shaped bill that curves downward at the tip, a streaked, gray or brown body, and a long neck and legs.

鹬科杓鹬属八种中型或大型滨鸟。嘴弧形向下曲或镰刀形,末端下弯;灰或褐色,有条纹;颈长,腿长。

属类：化学及生命科学-动物-鸟类

At Paris Stock Exchange, tech stocks headed downward . Shares of Credit Local de France plunged, causing CAC 40 average price index to shed slightly 4.16 points, down 0.1% to close at 4337.43

在巴黎股市,科技股走低,法兰西地方信贷银行的股票出现较大幅度下跌,导致CAC40种股票平均价格指数收盘时微幅下跌4．16点,跌幅为0．1%,以4337．43点收盘。

属类：综合句库--

Typically all valve outlets will be aimed downward on a tube trailer.

在管道拖车上,所有阀门排气口一般都朝下。

属类：产品说明书-产品安全-

On the intake stroke, the intake valve has opened, the piston is moving downward , and a mixture of air and vaporized gasoline is entering the cylinder through the valve port.

在进气行程中,进气门打开,活塞向下移动,可燃混合气通过进气门进入气缸。

属类：工程技术-汽车-

Interest rates in the world economy are generally on a downward trend.

在世界经济范围内,利率有下降的趋势。

属类：综合句库--

This seal not only resists the downward penetration of water into the subsoil, but also retards the upward passage of water from the subsoil into the construction above.

这不仅防止水分下渗到基层土中,也防止基层土中的水分向上渗诱。

属类：工程技术-建筑-土木建筑

The downward failure of the roof, which was dished 2 feet was the only important structural damage suffered

这个建筑物中唯一重大的破坏是屋顶向下凹陷了两?铡?

属类：综合句库--