First, a climate conducive to life on Earth depends upon the extraordinarily narrow orbital parameters that define a continuously habitable zone where water can exist in a liquid state.
首先，地球上适宜生命存在的气候取决于极其狭窄的轨道参数，这些参数定义了一个持续可居住的地带，在那里水可以以液态存在。
The crocodile, being used to the water, reached the opposite side of the river first, and was soon standing beside the wall.
鳄鱼习惯水，第一个到达河的对岸，很快就站在了墙边。
There're two reasons for this: first, they live in the active layer, which, remember, contains water that doesn't penetrate the permafrost.
造成这种情况的原因有两个：首先，它们生活在活动层中，请记住，活动层中包含的水不会渗透永久冻土。
Some water experts are now demanding that existing infrastructure be used in smarter ways rather than building new facilities, which is increasingly considered the option of last, not first, resort.
一些水资源专家现在在要求要更明智地使用现有的基础设施，而不是建造新的设施，它逐渐被认为是最后而不是第一选择。
First proposed in the late 1800s, the theory relies on a property of water not commonly associated with fluids: its tensile strength.
该理论于19世纪末首次提出，其依据是水的抗拉强度，而水的这种特性通常与流体无关。
The river said, "Run first to the bride, and ask her for a silken cord to draw up the water."
河水说：“你先跑到新娘那儿，然后向她要一根丝质的绳子，让河水停下来。”
The first season was the flooding, or inundation, when the Nile valley was essentially submerged in water for a few months or so.
第一个季节是洪水泛滥季，这时候的尼罗河流域基本上会被水淹没几个月左右。
One of the first water clocks was a basin with a small hole near the bottom through which the water dripped out.
最早的水钟之一是一个在底部附近有小洞的水盆，水从这个洞里滴出来。
The next day, the stick he'd used to stir the water and flavored powder mixture had frozen, creating the first popsicle.
第二天，他用来搅拌水和调味剂的小棍被冻了在溶液里面，第一根冰棍就这样诞生了。
Another critical issue and it's related to the first, to the size issue, is how far from the water should it go to get trees.
另一个关键的问题与第一个问题——即树木的大小问题有关：它需要到离水多远的地方获得木材？
The first anti-protest vehicle equipped was built on Mercedes chassis, and already had a large water cistern in the back.
第一辆带反抗议装备的卡车是建立在奔驰的底盘上的，并已经在后部配备一个大号水箱。
At first, the gugin had only five strings, representing the five elements of metal, wood, water, fire and earth.
起初，古琴只有五根弦，代表金、木、水、火、土五种元素。
Enter the water carefully and feet first.
小心入水，脚先入水。
Water clocks were the first clocks not to use the sun.
水钟是第一种不利用太阳计时的钟。
Our country put her first homemade aircraft carrier in the water on April 26 in Dalian.
4月26日，我国第一艘国产航母在大连下水。
It was reported that China put its first homemade aircraft carrier in the water in Dalian on April 26, 2017.
据报道，2017年4月26日，中国第一艘国产航母在大连下水。
China's first home-built aircraft carrier hit the water in Dalian on the morning of April 26, 2017.
2017年4月26日上午，中国第一艘国产航母在大连下水。
Go in feet first so that you can know how deep the water is.
脚先入水，这样你就能知道水有多深。
It was China's first Mars program to make scientific researches about the soil, environment, atmosphere, water and so on.
这是中国第一个对土壤、环境、大气、水等进行科学研究的火星计划。
At first thought it seems incredible that there can be enough space in the "solid" ground underfoot to hold all this water.
乍一想，似乎难以置信的是，在脚下的“坚实”地面上居然有足够的空间来容纳这么多的水。
The others discussed draining the water first, and then they could drag it out of the drain.
其他人讨论着要先把水放干，然后把它从排水沟里拖出来。
In most cases, I try to clean with just water first, to see if that's enough.
多数情况下，我试着先用清水去清洗，够了最好。
First boil in plain water for 20 seconds.
首先在白开水里煮20秒。
Eventually the little boat can go no further. We have reached the first natural fast water plunge pool.
最后小船不能再往前走了，我们到了第一个天然的冲击潭。
In Japanese baths, called onsen, always wash first before entering the water.
在日本浴室----温泉时，务必在下水前洗干净身体。
I decided to jump into the robotics water feet first and hoped that the water wouldn't be over my head.
我决定跳入机器人技术的水池中，但愿我不会被淹到。
Drink a Glass of Water First Thing - Water makes up between 60% - 70% of your body composition.
第一件事先喝杯水-你身体的60% - 70%是由水组成的。
Wash the instant noodles with warm water first, stir it and pour away the water containing the wax coating.
第一要用温水来洗净方便面，搅拌它，倒出含有蜡涂层的水。
Wash the instant noodles with warm water first, stir it and pour away the water containing the wax coating.
第一要用温水来洗净方便面，搅拌它，倒出含有蜡涂层的水。
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