登录
a process or result of becoming different
变化, 改变
a group of people who compete against another group in a sport or game
队, 团队
something that is created or grown for sale
产品, 商品
a quality such as red, green, blue, yellow, etc. that we see when we look at something
颜色
the direction or side that is toward the east when someone or something is facing north
右
an agreement between two or more parties, typically involving the exchange of goods, services, or property
交易, 协议
the total number or quantity of something
数量, 金额
the mixture of gases in the atmosphere that we breathe
空气
the body part that pushes the blood to go to all parts of our body
心脏, 心
a spoken or written remark that expresses an opinion or reaction
评论
the point or part of something that is the highest
顶端
the way that two or more people or things are different from each other
区别
a group of people who live in the same area
社区, 共同体
something we say, write, or do when we are replying to a question
答案
the red liquid that the heart pumps through the body, carrying oxygen to and carbon dioxide from the tissues
血液
the leader of a country that has no king or queen
总统, 国家元首
a very young child
婴儿, 宝宝
the way things are or have been at a certain time or place
情况, 状况
the system of communication by spoken or written words, that the people of a particular country or region use
语言
a TV station that broadcasts different programs
频道, 电视台
the soft movable part inside the mouth used for tasting something or speaking
舌头, 味觉器官
a formal or polite word for referring to a woman
女士, 夫人
someone who serves in an army, particularly a person who is not an officer
士兵, 军人
an unlawful act that is punishable by the legal system
犯罪, 罪行
