Cách sử dụng
The word "billow" refers to a large mass of something, usually air or water, that moves in a rolling or swelling motion. It is often used to describe the movement of smoke, clouds, or waves. You might say that the clouds billowed across the sky or that the waves billowed up against the shore. The word can also be used to describe the movement of fabric or clothing that is blown by the wind. For example, you might say that the sheets on a clothesline were billowing in the breeze.