分类学上的种是根据表型不连续性而不是根据互交可孕性来确定的.Taxonomic species are defined on phenetic discontinuities, not on interfertility.把无融合生殖小种 ( 无性种 ) 作为分类学上的种来承认,这点具有更大的迷惑性.The temptation to recognize apomictic microspecies ( agamospecies ) a...
The alkyd is cross - linked by the amino resin during baking.这种醇酸是氨基树脂在烘烤时交联而成.The reaction of catalpa oil, tung oil and hydroxyl - terminated polybutadiene gives alkyd resin with quick - drying property.利用梓油和桐油以及带端羟基的聚丁...
Paleontologists know chert as a good place to look for fossils.古生物学者知道黑矽石同样的好地方去观看化石.The fossils appear to be an early form of seaweed washed up on a beach.这些化石看上去是被海水冲上岸的一种早期的水藻。The geologist found many uncovered fossil...
...Admiral Hodges.海军上将霍奇斯Sixty - five - year - old John Hodges must retire from Acme Printing.65 岁 的约翰·霍奇必须要从埃克米印刷长退休了.Hodges cut in from the right and lost his balance.霍杰斯突然从右边插进来,失去了平衡.- Hey, Nick - Hodges, did you get...
The bronchopneumonia is exudative in type and lobular in distribution.支气管肺炎在性质上是渗出性的,在分布是小叶性的.The consolidated areas were usually plum colored, lobular, and localized.突变病区,通常是葡萄干色, 小叶性的和局灶性的.Almost every pick lobular axi...