它颈上的虹彩色羽毛闪烁着光芒.Light flashed from the iridescent feathers around its neck.耐酸、耐碱失重试验表明,该虹彩膜具有很好的化学稳定性.The experimental results show the good chemical durability of the luster film.摘要科根 - 端斯症候群是属于虹彩角膜内皮细胞 症候 群中的一种特殊型态,好发于女...
Nomadic tribes wander these deserts.游牧部落在这些荒漠上游牧.In the beginning, they believed in Tengri Shamanism and were nomadic.他们最初信奉萨满教,过着游牧生活.Stop and talk with people who live a traditional nomadic lifestyle.偶尔停下与当地的传统游牧民聊聊家常....
P - methoxybenzeneacetonitrile was prepared in 34.8 % yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.以苯甲醚为原料,经过氯甲基化, 氰化反应后, 通过精馏获得对甲氧基苯乙腈,总收率为34.8%....
Both the toad and frog are amphibian.蟾蜍和青蛙都是两栖动物.Conclusion Onychodactylus fischeri is a relatively primitive type in the amphibian.结论爪鲵在两栖纲动物中属于较原始的种类.It is being actively pursued by amphibian specialists, for example.举...