Objective : To study the chemical constituents from the roots and rhizomes of Clematis hexapetala.目的: 研究棉团铁线莲Clematis hexapetala的干燥根及根茎的化学成分.CONCLUSION Compound ~ are isolated from Clematis genus for the first time.结论化合物...
His mother eyed me in silence with a supercilious air ( Tobias Smollett ).他母亲以一种目空一切的架势一声不响地盯着我 ( 托比阿斯斯摩莱特 )The Martell Cup Chase was won by the evens favourite Toby Tobias.最被同额赌注赌家看好的托比·托拜厄斯赢得了马特尔杯追逐赛。Tobias : Which is ...
This is a Geiger counter for detecting radioactivity.这是一种盖革计数管,用来测量辐射的.A metal called uranium gave off a kind of radiation, which Marie Curie later called radioactivity.一种叫铀的金属发出一种射线, 后来玛丽·居里把这种现象称为放射性.The site was found...