They lack water-storing structures, and their existence on rock faces prevents them from tapping groundwater, so they have instead developed the ability to change their metabolism.
它们缺乏储水结构，而且它们长在岩石表面，这阻止了它们利用地下水，所以它们反而形成了改变新陈代谢的能力。
They may even lack sufficient water for basic hygiene - to wash themselves and their clothes, and to prevent infection including from foodborne and waterborne diseases.
他们甚至可能缺乏充足的水用于基本卫生—洗澡和洗衣服，以及预防包括由食源性和水源性疾病造成的感染。
However, under the severe cold weather, evacuees are having a very difficult time because they lack food, water, and energy sources," he said.
尽管，这种非常糟糕的天气状况使撤离非常的困难，因为他们没有食物，没有水，也没有足够的能源。
However, under the severe cold weather, evacuees are having a very difficult time because they lack food, water, and energy sources, " he said.
尽管，这种非常糟糕的天气状况使撤离非常的困难，因为他们没有食物，没有水，也没有足够的能源。
But due to the lack of water, they have taken root in much drier soil.
但是由于缺水，它们已经在较干燥的土壤上生根了。
They regularly lack basic services such as water, sanitation, electricity and street lighting.
他们往往缺乏基本服务，如供水、环卫、电力和街道照明。
Every year, more than 1.6 million people die because they lack access to safe water and sanitation.
每年有160多万人因不能获得安全的水和卫生设施而死亡。
They got around the lack of drinking water by eating water melons.
他们吃西瓜以解决缺少饮用水的困难。
They say people are not getting enough water to drink and sanitary conditions are terrible because of a lack of latrines.
他们说，人们没有足够的水可喝，因为缺乏公共厕所因此卫生情况很糟。
Some people lack the awareness of saving water, and furthermore, they think water is inexhaustible.
一些人缺乏节水意识，另外他们还认为水是取之不尽的。
It says they lack shelter, do not receive regular food rations, and have limited access to drinkable water, medicine and education.
该组织说，他们没有居住的地方，得不到固定的食物券。他们得到的饮用水、医疗以及教育服务也很有限。
They can't swim because of lack of water.
他们没办法游泳，因为没水。
But despite a lack of food, water, phone service and supplies, most of the victims were undemanding and uncomplaining — some playing CARDS to pass the time — confident they would be looked after.
但是尽管缺少食物，水，通讯和物资，大多数灾民并没有要求什么或者抱怨什么。一些人在玩扑克牌，完全有信心会有人照顾他们。
But despite a lack of food, water, phone service and supplies, most of the victims were undemanding and uncomplaining — some playing CARDS to pass the time — confident they would be looked after.
但是尽管缺少食物，水，通讯和物资，大多数灾民并没有要求什么或者抱怨什么。一些人在玩扑克牌，完全有信心会有人照顾他们。
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