supply
(plural) necessary things, such as food, medicines, clothes, etc. for a group of people
输送
[名词]
battery
an object that turns chemical energy to electricity to give power to a device or machine
电池
[名词]
paper
the thin sheets on which one can write, draw, or print things, also used as wrapping material
纸
[名词]
pencil
a tool with a slim piece of wood and a thin, colored part in the middle, that we use for writing or drawing
铅笔
[名词]
printer
a machine, particularly one connected to a computer, that prints text or pictures onto paper
打印机
[名词]
customer
a person, organization, company, etc. that pays to get things from businesses or stores
顾客
[名词]
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