AIM : To study the new separating technology of cyclovirobuxine D.目的: 研究环维黄杨星D新的分离方法.An acid dye colorimetry method was developed for the determination of cyclovirobuxine D and its tablets.首次建立了黄杨宁酸性染料比色法....
She heard the priest's familiar, flat footfall on the staircase.她听到楼梯上传来牧师那熟悉的单调脚步声。They walked down the staircase together.他们一起下了楼梯。He followed her up a rickety staircase to a squalid bedsit...他跟着她上了一段摇摇晃晃的楼梯，来到了一间...
In some parts of the country Koalas are nearly extinct.在澳大利亚的一些地区,考拉几乎灭绝.And there are many koalas and kangaroos in Australia.澳大利亚还有很多考拉和袋鼠.What's your favourite animal? I like koalas the most.你最喜欢什么动物? 我最喜欢的是考拉....
There were cisterns to catch rainwater as it ran off the castle walls.雨水顺着城堡的墙壁流下时会流入蓄水池。Continental production and flower pots, cisterns, nursery toys, chemical preservative products.兼产欧式花盆 、 水箱 、 幼儿园玩具 、 化工防腐产品.And voi...