Sơ cấp 1 - Vật liệu & Khái niệm

a shiny grayish-white metal of high value that heat and electricity can move through it and is used in jewelry making, electronics, etc.

bạc

a hard material, usually made of minerals, and often used for building things

đá, tảng đá

a sample, showing what the rest of the data is typically like

ví dụ

something such as a hammer, saw, etc. that is held in the hand and used for a specific job

công cụ, dụng cụ

something that is known to be true or real, especially when it can be proved

sự thật, thực tế

scientific knowledge put into practice in a particular area, especially in industry

công nghệ

anything that we can hear

âm thanh, tiếng ồn

a place where people do scientific experiments, manufacture drugs, etc.

phòng thí nghiệm

a mild feeling of shock we have when something unusual happens

ngạc nhiên, sự bất ngờ

made of a hard material that forms the branches and trunks of trees

gỗ, gỗ hóa

a light substance produced in a chemical process that can be formed into different shapes when heated

nhựa

a valuable yellow-colored metal that is used for making jewelry

vàng