...the monotony of a heavily restricted diet.

受到严格限制的饮食的单调

Plants, like animals, often have restricted habitats.

植物和动物一样，生活环境常常有限。

Discipline problems are by no means restricted to children in families dependent on benefits. [+ to]

绝不只是依靠救济金生活的家庭的孩子才有纪律问题。

The problem is not restricted to the southeast.

这个问题并不只存在于东南部。

...a highly restricted area close to the old Khodinka airfield.

老科丁卡机场附近的一个禁区

The charge was that, in February 1975, he had leaked a restricted document to a journalist.

对他的指控是他在1975年2月将一份保密文件泄露给了一位记者。