Reduction - metathesis method for preparation of strontium carbonate from celestite is developed.提出还原 - 复分解法制备碳酸锶的新工艺.Several kinds of ruthenium - catalyzed organic reactions were reviewed: hydrogenation, oxidation, isom...
The chambermaid spoke little English, so her husband came with her to interpret...女服务员几乎不会说英语,因此她丈夫跟着来给她做翻译。" Good men ever interpret themselves too meanly,'said the physician.“ 好心的人从来都是把自己说得十分卑微的, ” 医生说.First inter...
I've never gone out of my way to propitiate people.我从未刻意取悦别人。These ancient ceremonies propitiate the spirits of the waters.这些古老的仪式让水中的神灵平息了怒气。propitiate the gods with a sacrifice.用祭品使上帝息怒I've never gone out of ...