learn是及物动词还是不及物动词

　　例句：

　　How did you learn to bake cakes?

　　你是怎么学会烤蛋糕的？

　　I'd like to learn a new language.

　　我想学习一门新的语言。

　　Very few students learn Latin now.

　　现在学拉丁语的学生少得很。

　　Children learn faster than adults.

　　孩子比大人学得快。

　　He must learn to control his temper.

　　他得学会捺住性子。

　　The book is about how children learn.

　　这本书是有关小孩怎样学习的。