浸润耳朵故事100则（16）

浸润耳朵故事100则（79）

题目不要写了！！！！The puzzle has 200 pieces. It is a puzzle of a farm. There are animals on the farm. There are buildings on the farm. There are white clouds in a blue sky. There is a bright su...

浸润耳朵故事100则（37）

She Swims Every Day 题目不需要写！！！She is a good swimmer. Her school has a swim team. She is on the swim team. She practices every day. She swims in the pool every day. She swims two hours

浸润耳朵故事100则（36）

He Builds a Snowman 题目不需要写！！！It is a winter day. It is cold outside. The snow falls. It covers the ground. Snow falls for six hours. Finally it stops. He puts on his heavy jacket. He goe...

科学60秒:身体温暖保健康

As a bitter winter storm rages on the east coast, it’s hard to knock being warm-blooded. But what about the metabolic cost of maintaining a high body temperature? Well, a new study finds that we...