elements

environmental elements环境要素

orbital elements轨道要素；轨道根数；轨道参数；轨道元

periodic table of elements元素周期表

1. Water is composed of the elements hydrogen and oxygen.
   水是由氢元素和氧元素组成的。
2. What a sensational story! It has all the elements of a soap opera.
   多麽耸人听闻的事! 具备连续剧的一切要素。
3. The two elements are synthesized by a chemical process.
   这两种元素已经化学合成。
4. These are inactive elements.
   这些是惰性元素。
5. Honesty, industry and kindness are elements of a good life.
   诚实、勤劳和善良是幸福生活的要素。
6. Battle was joined, shortly after ten o'clock, with advance elements of two enemy divisions.
   10点钟过后不久，就同敌方两个师的先遣部队接上了火。
7. If the atoms of all these elements just stayed apart from each other, there be only about105 different things in the world.
   如果所有这些元素的原子都彼此不组合的话，世界上大约就只有105种不同的东西了。
8. You must understand the elements of mathematics before we can proceed further.
   你必须先弄懂数学基础知识，我们才能进一步学习。