人类在接近各个星球，探索新的天体。Man was drawing closer to the stars, opening new worlds.这份天体图标明了北半部所有的星座.The map of the heavens showed all the northern constellations.在太空, 一切天体都相互吸引.In space, all bodies attract other bodies....
多年来，日晷一直吸引着科学家和数学家们。For many years sundials have cast their spell over scientists and mathematicians.这位精神病学家将她的一些问题成功地追溯到她童年时代遭受的严重创伤。The psychiatrist successfully traced some of her problems to severe childhood traumas....
围栏区域领域约为3.28平方公里.The enclosed area is about 3.28 sq km.我们估计距离约为3英里.We approximated the distance at three miles.根据目前花旗约300亿美元的市值计算, 这一投资价值约为3亿美元.At Citi's current market value of about $ 30 bn, the investment is wort...
This diode produces about nine times more radiant power than that one.这只二级管的耗散功率比那只大8倍.A diode used in this manner is called a rectifier.按这种方式使用的二极管叫做整流管.The diode is used routinely in many kinds of electronic circuits.二...