我们的房子很大，所以收了一名寄宿生来补贴家用。

We have a big house, so we took in a ___boarder to help with our expenses.

作为住校生，他每周只能在周末回家一次。

As a ___boarder, he can only go home once a week on weekends.

那个年轻的滑雪板爱好者正在山坡上练习技巧。

The young ___boarder is practicing tricks on the slopes.