Heavy water is heavy because the hydrogen in it weighs twice as much as ordinary hydrogen (it has a proton and a neutron in its nucleus, instead of just a proton).
重水之所以重是因为水中氢的重量是普通氢的两倍（它的原子核中有一个质子和一个中子，而不仅仅是一个质子）。
There are no footprints, no type tracks and no heavy machinery like a bulldozer…Nothing was ever brought in to move these heavy rocks.
没有脚印，没有履带，也没有推土机之类的重型机械……没有任何东西被带来用以搬过这些重石头。
Imagine that the pig has a heavy collar and to reward the pig for walking forward, you might remove the heavy collar.
想象这头猪戴着很重的项圈，作为对这头猪向前走的奖励，你可以把沉重的项圈拿掉。
In the journey, she faced heavy fog, heavy rain and heavy waves.
在旅途中，她遇到了大雾、大雨和巨浪。
A 4.75 inch diameter heavy wireline connected to a 5 inch studless chain using heavy shackles and link plates.
一根直径为4.75英寸的重型电缆，使用重型卸扣和链节板连接至5英寸无钉链。
Every day, the two of them would join a crew — pickaxes and other heavy tools in hand — and clear trails of creeping brush, as well as remove heavy rocks and fallen trees.
每天，他们两人像其他组员一样——带着镐和其它沉重的工具——清理道路上倒伏的灌木，搬除沉重的石块和倒下的树木。
We alwaysthink that love is very heavy, heavy and could be the heaviest thing inthe world.
我们总以为那份痴情很重，很重，是世上最重的重量。
We always think that love is very heavy, heavy and could be the heaviest thing inthe world.
我们总以为那份痴情很重，很重，是世上最重的重量。
Picking it up, your first reaction is it's very heavy, and if it's heavy of course it gives power behind your blow.
拿起它，你的第一反应是份量真不轻；当然它有份量，是因为它增加了你使用时的打击力度。
Just as traffic backs up at some intersections only in heavy traffic, data can back up in your system in critical areas only when under heavy load.
正如繁忙交叉点处的流量需要备份一样，系统关键区域的数据也只会在负载量大时才会备份。
With the exception of heavy copper, the best all-purpose material, in our opinion, is heavy, enameled cast iron.
除了厚实的铜锅之外，我们觉得最棒的万能材料是厚实的搪瓷铸铁。
Many heavy things are there for the spirit, the strong load-bearing spirit in which reverence dwelleth: for the heavy and the heaviest longeth its strength.
精神有许多的重荷，耐得重负的精神里有尊严栖身：它的力量渴望重负和最重的负担。
Heavy metalworking machine operators operate metalworking machines which shape and form steel or other heavy metal into parts or products.
重型金属加工经营者经营那些将钢材或其他重金属塑造和形成零件或产品的金属加工机械。
Also, women who weigh too much at the start of their pregnancies are at a greater risk of having heavy babies at the onset and then heavy children later on.
同样，妇女在妊娠前体重过高也增加了生育超重婴儿及后期肥胖儿童的风险。
But Iran's oil is heavy crude and we have only one heavy crude refinery in our country.
但是，伊朗的石油是重质原油和我们只有一个重质原油的炼油厂在我国。
Heavy force sensor is a kind of high technology electric information device for heavy equipment.
大力传感器是现代重型装备的高科技电子信息器件。
Light things became light and heavy color things heavy, in the garden design must grasp the degree feeling of color, in order to reflect the design theme.
浅色的事物显得轻盈，重色的事物显得沉重，在园林设计中一定要把握色彩的轻重感，才能体现设计的主题。
Only inevitable, can be heavy, so heavy, it is worth.
只有必然，才能沉重，所以沉重，便有价值。
They are employed by companies which own and operate heavy equipment, and by heavy equipment dealers, rental and service establishments, and railway transport companies and urban transit systems.
他们受雇于拥有及经营重型设备的公司，重型设备经销商，出租及服务机构，以及铁路运输企业和城市公交系统。
Examining the toxic effect of heavy metal pollutants is essential for exploring heavy metal water environmental capacity.
考查重金属污染物的毒性效应是探讨重金属水环境容量的基本出发点。
The method and the technology of synthesizing heavy aromatic petroleum sulfonate by heavy aromatic hydrocarbon and sulfur trioxide and the properties of synthesized product are studied in this paper.
本文研究了采用重芳烃和三氧化硫为原料合成重芳烃石油磺酸盐的方法、工艺及产物性质。
For this reason, heavy-duty or truck engines have large and heavy flywheels, while racing engines or high performance engines have light flywheels.
由于这个因素，重型机车或卡车发动车都装配有大且重的飞轮，而赛车发动机或高性能发动机则装配有轻型飞轮。
For this reason, heavy-duty or truck engines have large and heavy flywheels, while racing engines or high performance engines have light flywheels.
由于这个因素，重型机车或卡车发动车都装配有大且重的飞轮，而赛车发动机或高性能发动机则装配有轻型飞轮。
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