a small, round object, usually made of plastic or metal, sewn onto a piece of clothing and used for fastening two parts together

钮扣, 扣子

the fact that one is able or possesses the necessary skills or means to do something

能力, 才华

a careful and systematic study of a subject to discover new facts or information about it

研究, 调查

the best performance or result, or the highest or lowest level that has ever been reached, especially in sport

纪录, 记录

a period of time that a year is divided into, such as winter and summer, with each having three months

季节, 时期

the thin sheets on which one can write, draw, or print things, also used as wrapping material

纸, 纸张

(plural) a group of people whose job is to catch thieves, killers, etc. and make sure everyone follows rules

警察, 警方

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

工具, 器具

