Giải nghĩa:
A chemical element which is a hard, grey metal, symbol Ce, atomic number 58.
Ví dụ:
Cerium is used in making electronic devices.
Cách sử dụng
Cerium is a chemical element with the symbol 'Ce' and atomic number 58. It is a silvery-white metal which is often used in alloys with other metals to improve their strength and corrosion resistance. Cerium oxide is used as a polishing agent for glass and metals, and it is also used in catalytic converters to reduce pollution from cars. In addition, cerium is sometimes used as a catalyst in organic chemistry reactions. As an English learner, you can use the word 'cerium' when discussing metals or chemical reactions.
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