Which word can be both a noun and a verb: rain or sunshine?
A noun is a word such as “car,” “love,” or “Anne” which is used to refer to a person or thing. 名词
A verb is a word such as “sing,” “feel,” or “die” that is used with a subject to say what someone or something does or what happens to them, or to give information about them. 动词
1，N-UNCOUNT Rain is water that falls from the clouds in small drops. 雨
I hope you didn’t get soaked standing out in the rain.
2，V-I When rain falls, you can say that it is raining. 下雨
It was raining hard, and she didn’t have an umbrella.
What makes rain?
Rain makes the grass green and it makes your garden grow. Have you ever wondered what makes rain though? There are always tiny drops of water vapor in the air. Warm air has more water vapor than cold air, which is why it is often humid in the summer. Warm air rises, and with it rise the water droplets. These tiny drops rise if cold air blows in. Mountains can also make them rise, which is why it rains a lot there. When the air holds lots of water droplets, clouds form. If a lot of water droplets gather in the clouds, the clouds become heavy. Gravity causes the water droplets to fall as rain.