1·他的发现，“银版照相法”，于1839年公布。
His discovery, the "daguerreotype," was announced in 1839.
2·燃料电池的工作原理是英国科学家威廉·格罗夫爵士于1839年首先报告的。
The principles of fuel cell operation were first reported by British scientist Sir William Grove in 1839.
3·这种燃料电池的发明150年以前(1839以上)。
The fuel cell was invented over 150 years ago (1839).
4·1839年成立的马特·罗莎是镇内最老的饭店。
Built in 1839, Monte Rosa is the oldest hotel in town.
5·1839年1月19日，保罗·塞尚出生在普罗旺斯省的艾克斯市。
Paul Cezanne was born in Aix en Provence on January 19th, 1839.
6·公司的前身是一家成立于1839年的纺织厂。
The company traces its roots to a textile manufacturer founded in 1839.
7·1839年，“O . K .”这个缩写第一次刊登在《波士顿晨邮报》上。
In 1839, the initials "O.K." are first published in the Boston Morning Post.
8·1839年的今天，“O . K。”这个缩写第一次刊登在波士顿晨邮报上。
On this day in 1839, the initials "O.K." are first published in the Boston Morning Post.
9·柏辽兹的第三部宏伟的标题交响曲是《罗密欧与朱丽叶》，于1839年首次演出。
The third of the great programme-symphonies was Romeo and Juliet, first performed in 1839.
10·在1839年，法国科学家埃德蒙·贝克勒尔发现了(太阳能)光电效应。
"In 1839, French scientist Edmund Becquerel discovered (How Solar)" the photoelectric effect.