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- The environmental sources of radon, its properties, pathways of human exposure, mechanisms of tox-icity and adverse health effects are described. 阐述了人类赖以生存的环境中氡的来源、性质、进入人体的途径及致病机制和主要的危害。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- Theoretical Research on Source of Radon from Earth into Air 空气氡的大地来源理论研究
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- A source of irritation or annoyance. 令人生气的事或者引起烦恼之事
- The groundwork or source of something. 基础，根源某事物的基础工作或根源
- Where is the source of the Rhine? 莱茵河发源于何处？
- He's been a source of discord and worry. 他成为不和和烦恼的根源。
- A source of harassment, annoyance, or pain. 使人痛苦的东西骚扰，烦恼或痛苦的来源
- Hard work is the ultimate source of success. 努力工作是成功之本。
- Do you know the source of Amazon River? 你知道亚马逊河的源头吗?
- He is a bit coy when ask about the source of his income. 问起他收入的来源，他就有些吞吞吐吐。
- A source of deep mental anguish. 悲痛的缘由精神极度痛苦的根源
- A source of nagging concern or uneasiness. 忧虑的事令人烦恼不安的担忧或不安的原因
- A source of spreading corruption or decay. 腐败的原因传布腐败或腐朽的根源
- We shall take full advantage of our rich source of human beings. 我们应充分利用丰富的人力资源。
- This account provides you with a ready source of income. 这个户头为你提供了一个现成的收入来源。
- We need to reduce our dependence on oil as a source of energy. 在能源方面,我们需减少对石油的依赖。
