How do you say

Three months later, he called us ‘Mum’ and ‘Dad’ for the first time, and it melted our hearts.

..in Chinese?

三个月后,宝宝第一次喊我爸爸妈妈,我们全家都超级感动。

sān gè yuè hòu , bǎo bǎo dì yī cì hǎn wǒ bà bà mā mā , wǒ men quán jiā dōu chāo jí gǎn dòng 。

How do you say "It usually snows in Beijing in winter, and it lasts about two months." in Chinese?