You are wasting so much energy every day . the energy on earth will soon be used up 你平常这么浪费能源，当地球的能源都耗尽了，多好的设备也用不。
Light from the sun is practically inexhaustible ; in other words , sunlight cannot be used up 来自太阳的光几乎是用之不竭的；换句话说，阳光无法被用尽。
1 . super brightled light at hand tip can be used up to 6 hours for night reading and writing 1 .笔尖备有led照明之用，备用时间长达6小时，适合黑暗环境使用。
We are using up our natural resources and at the same time polluting our environment with dangerous chemicals 我们正在用尽自然资源，同时，用化学危险品污染环境。
It is estimated that if such growth is not controlled , the fresh water will be used up by the next century 据估计，如果这种增长不加控制，到下一世纪淡水将被用光。
Catalyst a substance that increases the rate of a chemical reaction without being used up in the reaction 催化剂：一种可以加快化学反应速率但本身在反应中却没有消耗的物质。
And sarah , laughing to herself , said , now that i am used up am i still to have pleasure , my husband himself being old 撒拉心里暗笑，说，我既已衰败，我主也老迈，岂能有这喜事呢？
The developed countries of the world are using up valuable resources at an unprecedented rate ever in human history 世界上的发达国家正在一种以人类历史上空前的速度耗尽宝贵的资源
All of this year ' s visas were used up by june , leaving most jobs unfilled and frustrating job recruiters 当年的签证名额到6月份就用完了，留下一大堆空缺的工作，和灰心丧气的猎头们。
It is widely believed that froth water will never be used up because we can get it from rain , rivers and wells 人们以为淡水是取之不尽的，因为我们可以从雨水、河水和井水中得到淡水。
