a set of printed pages that are held together in a cover so that we can turn them and read them
书
an object that has hair or thin pieces of plastic or wood attached to a handle that we use for making our hair tidy
发刷
a small card that contains contact information for a person or company, used to share and promote professional connections
名片
a device or piece of equipment for taking photographs, making movies or television programs
相机
a specially shaped piece of metal used for locking or unlocking a door, starting a car, etc.
键
a cellular phone or cell phone; a phone without any wires and with access to a cellular radio system that we can carry with us and use anywhere
手机
an official document issued by a government that identifies someone as a citizen of a particular country, which is needed when leaving a country and entering another one
护照
a paper or electronic document that a person needs to buy in order to travel on a train
车票
an object with a circular folding frame covered in cloth, used as protection against rain or sun
伞
something made of leather, cloth, plastic, or paper that we use to carry things in, particularly when we are traveling or shopping
袋
a global computer network that allows users around the world to communicate with each other and exchange information
因特网
a person's closest and most trusted friend, with whom they share a strong bond and deep understanding
最好的朋友
used when we want to talk about a person or thing for the first time or when other people may not know who or what they are
英语不定冠词
used before a singular noun that starts with a vowel sound, when we are not talking about a specific person or thing
一个