Cách sử dụng
The expression "blow into" means to forcefully exhale air out of your mouth into something. For example, if you are playing a musical instrument like a recorder or a harmonica, you would blow into it to create sound. Additionally, if you are using a balloon, you would blow into it to inflate it. So, the expression "blow into" is used when you need to push air out of your mouth to create a certain effect or perform a specific action.