sometime.
很抱歉, 麻烦你了,但不知我们能否占你一点时间, 同你谈谈。
打搅了你,对不起,但不知我们能否在某个时候同你说一句话。
对不起,我想占你一点时间,问个单词。
felt discouraged at the thought of looking any further for jobs.
经过多次失败,这个年轻人对继续从事这些工作感到灰心。
在多次被折腾后,这个年轻人再也不想继续从事这些工作了。
在多次被折腾后,这个年轻人没有信心继续从事这些工作。
first sight.
哈里和苏珊在饭店时就一见钟情了。
哈里和苏珊在饭店见了第一面就相爱了。
最初,哈里和苏珊很喜欢在饭店开会。
very popular.
水上运动的项目正在不断增加,它们非常受欢迎。
随着运动量的加大, 人们对水的需求量也增大了。
随着水上运动项目的增加, 许多人都迷上了水上运动。
a good impression on the interviewer.
这个年轻人的谈吐很得体,给面试官留下了良好印象。
这个年轻人对面试官说了很多好话。
那些没有被反射的光的颜色怎么样了呢?他们被物体吸收了
Water is
very important to living things. Without water there can be no life on Earth.
水对生物来说是至关重要的。没有水,地球上就不可能有生命。
Water is needed in offices, factories and schools. Where
else is water needed?
机关、工厂和学校也需要水。还有别的什么地方需要水呢?
Water is
found almost everywhere, even in the driest part of the world there is some
water in
the air. You cannot see it or feel it when it is part of
the air.
水几乎到处可见。即使在世界上最干旱的地方,空气中也有水。当水存在于空气中时是看不见摸不着的。
For this reason, dark-colored clothes are warmer in the
sunlight than light-colored clothes.
正因如此,在阳光下,深色衣服比浅色衣服更保暖。
White objects reflect
all colors of light. Black objects do not reflect any light.
白色物体反射所有颜色的光。黑色物体不反射任何光。
absorbed by the object.
为什么有些东西看起来是红色,另一些是绿色,还有些是蓝色的呢?
Snow crystals are tiny crystals of ice. Ice is frozen
water or water that has become solid.
雪晶是细小的冰晶。冰是冻结的水或是已变成固态的水。
Color is caused by
reflected light rays. We see color because objects reflect
light.
颜色是由反射出的光线引起的。我们能看出颜色,是因为物体能反射光。
vapour.
海洋、湖泊和溪流中的水呈液态。
The darker the color,
the less light is reflected and the more light is absorbed.
被吸收的光变成热。
What is color?
颜色是什么?
In the same way, a
green object reflects mostly green light.
同样,绿色物体主要反射绿光。
The water in oceans
and lakes and streams is a liquid.
空气中的水不是液态,而是气态,我们管它叫水蒸气。
We need water to
drink, to cook our food and to clean ourselves.
一切动植物都需要水。人也需要水。
Clouds are made of
water. They may be made of tiny drops of water. They may also be
made
of snow crystals.
云是由水形成的。它们可能是由小水滴形成的,也可能是由雪晶形成的。
Something that is red
reflects mostly red light. (It reflects a little green of blue light, too, but
we do not see it.)
红色物体主要反射红光。(它也反射一点绿光或蓝光,但我们看不见。)
All animals and plants
need water. Man also needs water.
我们要喝水,用水烧饭和洗澡。
Light that is absorbed
is turned into heat.
颜色越深,反射的光就越少,吸收的光也就越多。
Water covers about
seventy percent of the Earth’s surface. There is water is seas, rivers, lakes,
springs(泉) and wells.