to own, manage, or organize something such as a business, campaign, a group of animals, etc.

管理, 经营

an official or public statement that contains information about something, particularly a present or future occurrence

公告, 声明

a space in a building with walls, a floor, and a ceiling where people do different activities

房间, 室

a device used for making images or videos appear on a screen, wall, or other flat surfaces

投影仪

a text or symbol that is displayed in public to give instructions, warnings, or information

标志, 指示牌

to discover information about something or someone by looking, asking, or investigating

检查, 核实

a piece of equipment used for playing recorded music, making a live performance, or turning up sound through speakers

音响系统, 声音系统

a piece of equipment used for recording voices or sounds or for making one's voice louder

麦克风, 录音设备

having dimensions and a weight that holding and operating with one or both hands becomes possible

手持的, 便携式的

a folded flap of fabric on the front of a jacket or coat that extends from the collar to the chest

翻领, 领角

printed material given to people, usually at lectures, meetings, or conferences, to provide information or summarize key points

宣传材料, 传单

to tell someone our name so they can know us, or to tell them someone else's name so they can know each other, normally happening in the first meeting

介绍, 引见

