化学元素

What chemicals combine together to form water?

什么化学元素化合成水?

Chemicals in the body break our food down into useful substances.

人体中的化学元素把食物分解成有用的物质.

The atoms of the different chemical elements are different aggregations of atoms of the same kind.

不同化学元素的原子是同类原子的不同聚合物.

Both hydrogen and oxygen are elements.

氢和氧都是化学元素.

Hydrogen: Lightest chemical element, chemical symbol H, atomic number 1.

氢: 一种轻的化学元素, 化学符号H, 原子序数1.

Gold, iron and tin are elements.

金, 铁和锡是化学元素.

He could recite the names of all the chemical elements.

他能够朗诵所有化学元素的名字.

Lead: Metallic chemical element, chemical symbol PB, atomic number 82.

铅: 金属化学元素, 化学符号PB, 原子序数82.

Au is the chemical symbol for gold.

‘Au’是金的化学元素符号.

Nitrogen: Gaseous chemical element, chemical symbol N, atomic number 7.

氮: 气态化学元素, 化学符号N, 原子序数7.

A structurally differentiated form of an element that exhibits allotropy.

化学元素的结构分化形式.

The rest of the chemical elements occur in only minor or trace quantities.

其余的化学元素仅以少量或微量出现.

Each of the chemical elements that makes up the objects radiates at its own characteristic wavelength.

构成这些天体的每一种化学元素都会以它们特有的波长发出辐射.

Nuclear fusion has created helium, carbon and other chemical elements.

核聚变已产生了氦气, 二氧化碳和其他化学元素.

Callahan's posit is that each chemical element can radiate a unique signal.

卡拉汉的假定是每种化学元素都能辐射出独特的信号。