目的: 研究毛瑞香的化学成分.Objective : To study the chemical constituents from Daphne odora var. atrocaulis.本文报道了用~1Hnmr法测定瑞香科植物芜花的花蕾中提取的一种 抗 生育有效成份—芜花酯丁的结构.In this article, 1 H NMR structural identification of Yuanhuatine - anti - ...
将纤维卷绕成螺旋形。Coil the fibre into a helix.这种金属线便于卷绕.The wire rolled easily.在口述记录设备上, 一种卷绕磁带的轴.On dictation equipment, a spool on which magnetic tape is wound....
Cameron had relapsed into silence again.卡梅伦再度陷于沉默.Scarlett relapsed into silence but she could not sIt'still.思嘉这才沉默下来,可是没法静静地坐着.At a subsequent time he relapsed.时隔不久,他故态复萌了....