琥珀酸和丁二酸是属于这类酸.These include succinic acid and glutaric acids.在反应过程中,乙二酸总是会生成的.Oxalic acid is always formed during the reaction.雷汞中可能含有微量的乙二酸汞.Mercury fulminate may contain trace of mercuric oxalate....
地面是用一些小块的 、 无光的 红绿 大理石铺成的.The floor was a composition of small, shaded redand - green marbles.它们飘得到处都是, 顿使灰暗无光的院子充满一片清香.These dongled everywhere, perfuming the gray courtyard with its shut - in light.将花药筛到无光的 、 具渗透性的纸上, ...
10,000 pages of evidence were gleaned from hundreds and hundreds of interviews.从无数次的采访中收集到了长达一万页的证据。These figures have been gleaned from a number of studies.这些数据是通过多次研究收集得来的。A valuable lesson may be gleaned from it by th...