天( tiān)
 
字形：
古体天字，是在大字的上边加上一个大圆点，天字的本意指人的头顶。
"天" in its earliest form was a combination of the character "大" (big, large) and a big dot on it. The original meaning of "天" is the top of one's head.
 
字义：
sky
 
组词：
今天(jīntiān): today
天平(tiānpíng): balance
每天(měitiān): everyday
天气(tiānqì): weather
天才(tiāncái): ;genius
明天(míngtiān): tomorrow
 
例句：
Wǒ měi tiān dōu xiě rìjì.
1、我每天都写日记。
I keep a diary every day.
Nìjìng zàojiù tiāncái.
2、逆境造就天才。
Adversity is the midwife of genius.
Jīntiān tiānqì zěnmeyàng?
3、今天天气怎么样？
What is the weather like today?