这些火焰造成了对流漏斗，把许多微粒抛向上层大气。These fires create convection funnels, and throw a lot of particles into the upper atmosphere.对流可分为两类, 即 自然对流和强制对流.Convection can be of two types: natural convection and forced convection.散发汗水的一种方...
Chaucer wrote in the late mediaeval period.乔叟写作的时代是中世纪末.These are all extracts from Chaucer.这些都是乔叟诗抄中的精萃.Chaucer flourished at the end of the 14 th century.乔叟在14世纪末享有盛名....
There is reasonable concordance between the two sets of results.两组结果之间有着合理的一致。He achieved better concordance between observation and calculation than had the most elaborate previous scheme.他在观察值与计算值之间获得的一致性,比早先最精心安排所获得的还...
A steady stream of California traffic clogs the air with pollutants.加利福尼亚川流不息的车流使空气中充斥着污染物。Most cities generate a complex brew of pollutants.多数城市都会产生各种物质混杂的污染物。Pollutants are constantly being released into the atmosphere...
After a few weeks with her parents, she felt she was suffocating.和父母呆了几个星期后，她感到自己毫无自由。After a few weeks with her parents, she felt she was suffocating...和父母呆了几个星期后，她感到自己毫无自由。That's better. I was suffocating in that ...