How do you say

Three months later, our basketball team won the championship.

..in Chinese?

三个月后, 我们的篮球队赢得了冠军。

sān gè yuè hòu , wǒ men de lán qiú duì yíng de le guàn jūn 。

How do you say "I went to Xiamen for a trip last month, and the beaches there were beautiful." in Chinese?