历史学家认为,19世纪一再发生的蝗虫入侵改变了美国密西西比河以西的农业格局。
Historians credit repeated locust invasions in the nineteenth century with reshaping United States agriculture west of the Mississippi River.
今天,大多数地质学家和历史学家认为,魏格纳的理论之所以遭到拒绝,是因为它缺乏足够的力学基础。
Most geologists and many historians today believe that Wegener's theory was rejected because of its lack of an adequate mechanical basis.
历史学家认为,大众旅游的出现始于工业革命时期的英国,当时中产阶级崛起,交通费用也变得相对便宜。
Historians suggest that the advent of mass tourism began in England during the industrial revolution with the rise of the middle class and the availability of relatively inexpensive transportation.
But Ian Hacking, being a good historian, thought that someone must have had some concept of probability going before even if they didn't quote it as a number the way-- it must have been in their head or in their idea.
但是这位优秀的历史学家伊恩·哈金认为,一定有人在更早时候就用过概率这个概念,即便他们没有用数字来表述,但他们一定有过类似的想法
who is the... generally seen as the first historian in the sort of Western world.
他是……通常被认为是西方世界的第一位历史学家。
应用推荐