因为它们很聪明：
Because theyre smart
重点词汇：
（图片来自网络侵删）
因为 because ;
for ;
on account of；
聪明 intelligent ;
bright ;
clever
相关介绍我喜欢企鹅，因为它们很聪明。
I like penguins because they are cute.
她不仅聪明，而且极具音乐天分。
She was not only intelligent but also very musical.
她只能点点头，因为她口里塞满了东西。
She could only nod, because her mouth was full.
