She is ferreting about among old papers for the letter.她在一堆旧文件里搜寻那封信.I spent the day ferreting ( about ) in the attic ( for old photographs ).我一整天都在阁楼上翻找 ( 旧照片 ).She is ferreting among old papers for the letter.她在一堆旧文件里“...
He continued to hold a lead in Angola's presi-dential race.他继续在安哥拉总统大选中占据领先地位。Angola was once a Portuguese territory.安哥拉曾经是葡萄牙的领土.Today, Angola mysterious existence of large, single or not is still doubtful.时至今日, 安哥...
They have agreed to a ceasefire after three years of conflict...经过3年的冲突，他们已经同意停火。The conflict between them seems ceaseless.他们之间冲突似乎没个止息.Can one even talk of stability in the Middle East as long as the conflict is still u...
磁化过程包括许多小而不连续的磁通变化.The magnetization process consists of many small discontinuous flux changes.他在1941年制成了一台磁通脉冲传感器.He perfected a flux - gate sensor in 1941.使磁通以极小的阻力在铁心中流通.The magnetic flux can flow inside the core with...
不完全的燃烧和不适当的通风条件能导致乙炔的产生.Incomplete combustion and improper draft conditions can cause ethylene formation.这种反应构成了制备芳基环丙基乙炔的有效方法.This sequence constitutes an efficient method for preparing arylcyclopropylacetylenes.丙二烯是甲基乙...