阿切尔小姐面对着舞台坐着,给包箱的帷幔遮没了一部分.Miss Archer was seated facing the stage and partly screened by the curtain of the box.那是间富丽堂皇的大屋子, 有紫色的椅子和帷幔, 一条土耳其地毯.It was a large, stately apartment, with purple chairs and curtains, a Turkey...
用糠醇和糠醛缩聚制备了新型呋喃树脂.A novel furan resin was synthesized by polycondensation between furfuralcohol and furfural.糠醛树脂化结焦是导致催化剂失活的主要原因.Resinification of furfural on the catalyst was the main cause of deactivation.图5醋酸苯胺比色法,糠醛...
With a telescope you can see the huge crater of Ve -suvius.用望远镜你能看到巨大的维苏威火山口。Mauna Loa awoke from a 25 year silence in July 1975, filling its summit - pit crater with lava.莫纳罗亚火山在1975年7月又从沉睡了25年的状态下苏醒过来了, 山顶上的火山口充满了熔岩.Gu...
Borax must be reduced to powder for infants.硼砂必须研成细粉才能供婴儿使用.Borax is the compound commonly applied to the soil to correct boron deficiency.硼砂是矫正土壤缺硼的常用硼化合物.It was investigated that chromizing in borax salt bath and melti...