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1·A large proportion of old people live alone.

一大部分老人都是独居。《牛津词典》

2·Since such a large proportion of their fat stores is exhausted despite feeding, mother seals clearly cannot support all of lactation using only energy stored before giving birth.

由于如此大比例的脂肪储备在喂养过程中会消耗殆尽，海豹母亲显然不能仅靠生育前储存的能量来维持整个哺乳过程。

3·Water covers a large proportion of the earth's surface.

水覆盖了地球表面的大部分。《牛津词典》

4·A large proportion of the dolphins in that area will eventually die.

那个地区的很大一部分海豚最终都会死去。《柯林斯英汉双解大词典》

5·Older people comprise a large proportion of those living in poverty.

在那些生活贫困的人中，老年人占有很大的比例。《牛津词典》

6·A large proportion of the nation's households are hooked up to the Internet.

全国大部分家庭都接通了互联网。《牛津词典》

7·This is hard to achieve when, as is now the case in many big firms, a large proportion of staff are temporary contractors.

这是很难实现的，因为现在许多大公司的大部分员工都是临时合同工。

8·Tice found that a large proportion of men cool down by going for a drive—a finding that inspired her to drive more defensively.

Tice 发现，很大一部分男性通过开车来降温，这一发现使她开车时更具防御性。

9·Although a small proportion of the total population, this perhaps had a massive local impact when a large proportion of the young men were removed from an area.

虽然在总人口中所占比例很小，但当很大比例的青年男子被迫迁出某一地区时，可能对当地产生巨大的影响。

10·Women make up a large proportion of the health workforce.

妇女构成卫生人力的一大部分。