Translation of "largeness" into Chinese

You need a large vocabulary to read that book.

你讀那本書需要大量詞彙。

This bird's large wings enable it to fly very fast.

那只鸟凭借自己巨大的翅膀能飞得很快。

Some specialist schools cover large geographic areas so students may have to be residential boarders at the school.

一些专门学校覆盖广大的地域范围,因此学生需在学校住宿。