动词need的中文意思是：需要，必需；（表示应该或不得不做）有必要。
句型：need +名词
What do they need?
What does he need?
He is thirsty?
What does he need?
He needs some water.
She is tired.
What does she need?
She needs some rest.
She's sick.
What does she need?
She needs some medicine.
She's late.
What does she need?
She needs taxi.
It's raining.
He needs an umbrella.
句型：need＋to do sth 需要某物做某事
What do seeds need to grow?
Seeds need sun to grow.
What do kids need?
Kids need food to grow.