Cách sử dụng
The word 'retractable' is used to describe something that can be pulled back or hidden to become smaller or less visible. It is commonly used to describe objects with a mechanism that allows them to be easily extended or retracted, such as a pen with a retractable tip or a leash with a retractable cord for a pet. 'Retractable' can also be used to describe things that can be withdrawn or taken back, such as a statement or an offer.