Cách sử dụng
The word 'fissure' means a narrow opening, crack or split in something solid. It can be used in different contexts such as in a rock, wall or ground where there is a visible separation or gap. It can also refer to a medical condition, where there is a tear or crack in the skin or mucous membranes. So, you can use this word to describe a physical break or a separation in something solid or in a body part.