顶级1B - 第 10 单元 - 第 2 课

above average in size or extent

大

having a low price

便宜的

having a high price

昂贵的

having a high speed when doing something, especially moving

快速的

having a lot of weight and not easy to move or pick up

重的

having very little weight and easy to move or pick up

轻便的

with little or no noise

安静的

moving, happening, or being done at a speed that is low

慢

below average in physical size

小的

to negotiate the terms of a contract, sale, or similar arrangement for a better agreement, price, etc.

讨价还价

a person who wants to buy something, usually an expensive item

买家

the system of communication by spoken or written words, that the people of a particular country or region use

语言

a person or company that sells something

卖家

to use money as a payment for services, goods, etc.

花费

to buy, sell, or supply services or goods

交易