Cách sử dụng
"Bank up" means to pile or stack something up. It can be used in different contexts, such as building a bank of earth, snow or sand to create a barrier or ramp, or arranging objects in a certain way to create a heap or stack. For example, you can say "I'm going to bank up the sand to make a castle" or "Let's bank up the logs to make a fire." It is important to note that "bank up" is an informal expression and may not be used in formal writing or speeches.