棵

院子里种了两棵树。

Yuànzi lǐ zhòngle liǎng kē shù.

Two trees were planted in the yard.

两棵树之间要留出间隔。

Liǎng kē shù zhījiān yào liú chū jiàngé。

You need to leave a gap between the two trees.

这棵树今年结了很多苹果。

Zhè kē shù jīnnián jiēle hěn duō píngguǒ。

This tree bore a lot of apples this year.