1.
The water is formed from oxygen element and hydrogen element.
水由氧元素和氢元素组成。
2.
Water is composed of the elements hydrogen and oxygen.
水是由氢元素和氧元素组成的.
3.
Water is a compound containing the elements hydrogen and oxygen.
水是含有氢元素和氧元素的化合物。
4.
Hydrogen and oxygen are what make up water.(=Hydrogen and oxygen are the things which make up water.)
氢和氧是构成水的元素。
5.
Both hydrogen and oxygen are elements.
氢和氧都是化学元素。
6.
Oxygen combines with many of the other elements to form oxides.
氧和许多其它元素化合成氧化物。
7.
Oxide: Compound produced when an element has chemical action with oxygen.
氧化物:元素与氧作用而产生的化合物。
8.
Burning implies the combustion of other elements with oxygen to form compounds.
氧化意味着别的元素与氧形成化合物。
9.
When an element is caused to combine with oxygen it is oxidized.
某种元素同氧气化合就叫做氧化。
10.
A binary compound of an element or a radical with oxygen.
氧化物一种元素的二元化合物或氧原子团
11.
Hydrogen and oxygen are elements, but water, which is formed when they combine, is not.
氢和氧是元素，但两者化合而成的水不是元素。
12.
It goes without saying that oxygen is the most active element in the atmosphere.
不言而喻，氧气是大气中最活泼的元素。
13.
Water contains two kinds - hydrogen and oxygen;
水含有两种元素，即氢和氧；
14.
sugar contains three - carbon, hydrogen, and oxygen;
糖含有三种元素：碳、氢和氧。
15.
Under these conditions oxygen will unite with the element
在这些条件下,氧将与该元素结合。
16.
For instance, water is a combination of two elements, hydrogen and oxygen.
比如水，是由氢和氧两种元素结合的。
17.
Carbon is an element, while carbon dioxide is a compound.
碳是元素,而二氧化碳是化合物。
18.
any compound of oxygen with another element or a radical.
氧和另一种元素或基形成的化合物。