在20世纪初，营养不良和儿童感染成为了阻碍。
At the start of the 20th century, under nutrition and childhood infections got in the way.
20世纪初，营养不良和儿童传染病成为了两大阻碍。
At the start of the 20th century, under-nutrition and childhood infections got in the way.
但直到二十世纪初，建筑声学才正式成为一个科学领域。
But it was not until the beginning of the twentieth century that architectural acoustics became a scientific field.
在20世纪初，很少有东西比科学知识的承诺更吸引人的了。
In the early 20th century, few things were more appealing than the promise of scientific knowledge.
巴赫逝于1750年，但直到19世纪初，他的音乐天赋才得到充分认可。
Bach died in 1750, but it was not until the early 19th century that his musical gift was fully recognized.
本世纪初，约有三分之一的作物工人年龄在35岁以上。
At the start of this century, about one-third of crop workers were over the age of 35.
自二十世纪初以来，已经有六十多所大学的成员获得过诺贝尔奖。
Since the beginning of the twentieth century, more than sixty university members have won Nobel prizes.
在20世纪初，小型杂志和上面使用的有创意的图形创造了先锋派的面孔。
In the early twentieth century, small magazines and the inventive graphics used on them created the face of the avant-guard.
后来，在19世纪初，当温哥华堡成为哈德逊湾公司的总部时，鹿的数量继续波动。
Later on in the early years of the nineteenth century, when Fort Vancouver became the headquarters of the Hudson's Bay Company, deer populations continued to fluctuate.
大约20世纪初，消费市场上出现了一些原始的太阳能热水器。
Around the beginning of the 20th century there were actually some primitive solar water heaters on the consumer market.
20世纪80年代初他突然在时尚界活跃起来。
自20世纪80年代初以来，已有超过50家国有公司被出售。
More than 50 state-owned companies have been sold since the early 1980s.
萨尔瓦多首度成为国际媒体的焦点是在20世纪80年代初。
El Salvador first hit the world headlines at the beginning of the 1980s.
黑人舞蹈音乐自20世纪60年代初以来对主流流行音乐一直都是最重要的。
Black dance music has been central to mainstream pop since the early '60s.
我在20世纪60年代初第一次认识了他。
19世纪末20世纪初，在丈夫的帮助下，她一直在争取妇女权利。
She fought for the rights of women all the time with the help of her husband in the late 19th century and early 20th century.
本世纪初，是什么推动了欧洲电动车销售的增长？
What brought about the boost in ebike sales in Europe at the beginning of the century?
自本世纪初以来，公立学校将越来越多的课间休息时间用于学术活动上。
Since the beginning of this century, an increasing amount of time has been shifted in public schools from recess to academic activities.
本世纪初，这一地区的一些印第安人常常赤身睡在吊床里。
Some of the Indians of this region, earlier in the century, used to sleep naked in hammocks.
20世纪初，威妮弗雷德和她的丈夫来到了银城。
In the early 1900's, Winifred arrived in Silver City with her husband.
19世纪和20世纪初，人们确信历史遗迹可以为过去提供可靠证明，而在当时，科学被视为客观的和毫无价值的。
The conviction that historical relics provide infallible testimony about the past is rooted in the nineteenth and early twentieth centuries, when science was regarded as objective and value free.
毕竟，全世界的员工已经遭受了自18世纪初以来最严重的工资削减。
After all worlds, workers have already suffered the worst deduction in wages since the early 18 hundreds.
19世纪末和20世纪初的人类学家们拥护的最广为接受的理论认为，戏剧起源于神话和宗教仪式。
The most widely accepted theory, championed by anthropologists in the late nineteenth and early twentieth centuries, envisions theater as emerging out of myth and ritual.
想找到答案，你得追溯到20世纪20年代初。
For an answer, you would have to go back to the early 1920s.
"二十世纪八十年代初以来，这种增幅变得更加剧烈。
自20世纪90年代初以来，美国已经建立了几家诊所。
Since the early 1990s, several clinics have been established in the US.
一个特别有趣的例子发生在17世纪初至18世纪初，那时意大利北部的克雷莫纳市生产了一批非同寻常的小提琴。
There's a particularly interesting case with an extraordinary generation of violins made in Northern Italy, in the city of Cremona, back in the late 1600s to early 1700s.
20世纪80年代初，华莱士夫妇都在他们九十多岁时去世。
The Wallaces both died in their nineties in the early 1980s.
主要从20世纪70年代初的经济衰退开始，这种模式开始瓦解。
Beginning mainly with the recession in the early 1970's, this paradigm began to unravel.
大约在20世纪50年代初，一些学生开始使用金属饭盒。
Around the beginning of the nineteen fifties, some school kids started to use metal meal containers.
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