放在句首就大写，放在句末句中就小写.

书房的英文是 study。

study 英[ˈstʌdi] 美[ˈstʌdi]

n. 学习，研究; 课题; 书房; 结论;

vi. 考虑; 沉思; 默想; 努力;

vt. 想出; 详细地检查; 背诵（台词等）; 为…费心思;

[例句]The study links the main living area to the kitchen.

书房把主要的生活区与厨房连在一起。

The study was lined from floor to ceiling on every wall with bookcases.

书房的四面墙都摆满了书架，从地板一直到天花板。

She hoovered the study and the sitting-room.

她用吸尘器打扫了书房和客厅。

Let's go into the study and put on some music.

我们到书房听点儿音乐吧。