初级 1 - 材料与概念

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

银

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

石头, 岩石

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

例子

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

工具, 器具

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

事实, 现实

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

技术

anything that we can hear

声音, 噪音

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

实验室

a mild feeling of shock we have when something unusual happens

惊讶, 惊喜

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

木制的, 木质的

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

塑料

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

黄金