美国人上大学的比例大于英国。
A higher proportion of Americans go on to higher education than is the case in Britain.
工科女生的比例已经大大增长了。
The percentage of girls in engineering has increased substantially.
五岁儿童牙齿不健康的比例高。
A high proportion of five-year-olds have teeth in poor condition.
靠福利生活的美国人的比例上升了。
美国公路上小汽车的比例在逐渐增加。
The proportion of small cars on America's roads is increasing.
女职员中，兼职工作的人占很高的比例。
A high percentage of the female staff are part-time workers.
目前，申请人数和就业岗位的比例为100:1。
The ratio of applications to available places currently stands at 100:1.
中层管理人员中女性的比例已经上升到了40%。
The proportion of women in middle management has risen to 40%.
世界茶叶出口到英国的比例是多少？
岩石中空隙的比例被称为孔隙度。
The proportion of empty space in a rock is known as its porosity.
考虑到最近的经济形势，这是相当高的比例。
These are fairly high proportions considering the recent economic climate.
较少红光和较多远红光的比例会引起植物的反应。
A ratio of less red and to more far-red light would cause a reaction from the plant.
活动家们指出，监狱中，囚犯是左撇子的比例很高。
Campaigners point out that a high percentage of the prison population is left-handed.
这将导致处于阴影中的植物感知到一个不寻常的比例。
That would lead to the plant in its shade sensing an unusual ratio.
过去三十年来，退休年龄人口在劳动力中的比例翻了一番。
The percentage of retirement-age people in the labor force has doubled over the past three decades.
如果这样的比例在洛杉矶的雾霾天也适用，那就要注意了。
科学家们从乌鸦那里收集了样本，以估计它们食物中幼虫的比例。
Scientists have collected samples from crows in order to estimate the proportion of larvae in their diet.
居民们转而采集大量野生谷物类牧草，而坚果在饮食中所占的比例下降了。
The inhabitants turned to wild cereal grasses instead, collecting them by the thousands, while the percentage of nuts in the diet fell.
皮奥特说，这种疾病自1981年被首次发现以来，已经达到了惊人的比例。
Piot said the disease has already reached staggering proportions since first being identified in 1981.
毕竟，在过去五六年里，美国人中认为大学学历“非常重要”的比例急剧下降。
After all, the percentage of Americans who say a college degree is "very important" has fallen drastically in the last 5-6 years.
目前，女性在公司董事会的参与度可能无法反映女性在总人口中的比例，但那又如何？
Female participation on corporate boards may not currently mirror the percentage of women in the general population, but so what?
人口中文盲的比例相当高。
在那些生活贫困的人中，老年人占有很大的比例。
Older people comprise a large proportion of those living in poverty.
超过退休年龄的人口的比例在过去几年中已急剧增长。
The proportion of the population who are over retirement age has grown tremendously in the past few years.
一项研究表明，轻度烟民患白内障的比例是不吸烟者的两倍以上。
In one study, light smokers were found to be more than twice as likely to get cataracts as non-smokers.
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