书籍 Top Notch 1A - 第 5 单元 - 第 3 课

to move something like a window or door into a position that people, things, etc. can pass through or use

to move something like a window or door into a position that people or things cannot pass through

to cause a machine, device, or system to start working or flowing, usually by pressing a button or turning a switch

to cause a machine, device, or system to stop working or flowing, usually by pressing a button or turning a switch

to form, produce, or prepare something, by putting parts together or by combining materials

anything that we can hear

to press or pull something so that water would pass through a toilet to clean it

to make it so that nothing can move through something