how come的用法和意思
how come的意思是为什么、怎么会,用法如下:
1、How come the sky is blue?天空为什么是蓝色的?
2、How come we have seasons?为什么我们有四季?
3、How come some animals hibernate?为什么有些动物冬眠?
4、How come plants need sunlight to grow?为什么植物需要阳光才能生长?
5、How come our heart beats 70-80 times a minute?我们的心脏为什么每分钟跳动70-80次?
6、How come we have fingerprints?为什么我们有指纹?
7、How come some people are allergic to certain foods?为什么有些人对某些食物过敏?
8、How come the Earth orbits around the Sun?为什么地球绕着太阳转?
9、How come we have different skin colors?为什么我们有不同肤色?
10、How come some birds can fly?为什么有些鸟会飞?
11、How come our body temperature stays within a certain range?为什么我们的身体温度保持在一定的范围内?
12、How come we have dreams during sleep?为什么我们在睡眠中会做梦?
13、How come some materials are conductive and some are not?为什么有些材料是导体,有些不是?
14、How come the moon changes its shape?为什么月亮的形状会发生变化?
15、How come we have memory recall abilities?为什么我们具有记忆回忆能力?