从历史学家普林尼(公元23- 79年)的记述中清楚知道罗马人也有点火镜。
It was clear from the accounts of the historian Pliny (23-79 A. D.) that the Romans also possessed burning-glasses.
从历史学家普林尼(公元23- 79年)的记述中清楚知道罗马人也有点火镜。
It was clear from the accounts of the historian Pliny 23-79 a.
纽约厄普顿布鲁克林国家实验室物理学家米林德‧迪万说，DUSEL终止或者说严重拖延，将掀起科研圈的涟漪。
The death of DUSEL, or a serious delay, would haveeffects that would ripple across the scientific community, saysMilind Diwan, a physicist at Brookhaven National Laboratory inUpton, New York.
在密歇根州巴特尔克里克（Battle Creek, Mich.）的公司实验室里，一位家乐氏的副总裁和食物科学家约翰·凯普林格(John Kepplinger)列举出盐使它的小方形饼干成功的方法。
At the company’s laboratories in Battle Creek, Mich., a Kellogg vice president and food scientist, John Kepplinger, ticked off the ways salt makes its little square cracker work.
记录下这次事件恐怖面貌的罗马作家小普林尼，遗留给世人的这份纪录，至今仍嘉惠着历史学家和科学家。
In recording the horror of the event, Pliny the Younger, a Roman author, left behind this record that still benefits historians and scientists today.
记录下这次事件恐怖面貌的罗马作家小普林尼，遗留给世人的这份纪录，至今仍嘉惠着历史学家和科学家。
In recording the horror of the event, Pliny the Younger, a Roman author, left behind this record that still benefits historians and scientists today.
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