老师的办公桌上有一盆花, 给它起名叫 “ 紫草花 ”.The teacher's desk with a potted plant, since it called'shikonin spent. "目的: 建立烧伤膏中左旋紫草素的质量控制方法.OBJECTIVE : To establish a quality control method for the burn ointment.目的研究紫草油膏的化学成分,探...
These effects are antagonizeed by sodium sulfide.这些效果被硫化钠中和了.They'd have a lot of hydrogen sulfide gas bound up in their cells.他们的牢房里有大量的硫化氢气体。The hydrogen sulfide is often blamed for the corrosion.硫化氢常常引起腐蚀....
I don't know about the rest of you, but I'm hungry...我不知道你们怎么样，但我是饿了。I don't know about the rest of you, but I'm hungry.我不知道你们怎么样，但我是饿了。Feeding a hungry family can be expensive.养活饥肠辘辘的一家人花费很大。We'...
The Black church community has sought to bring together Christians from different denominational backgrounds.黑人教会社区试图将来自不同教派的基督徒联合起来。Other denominational differences have to do with church government.各教派之间的其他差异与教会领导机构有关....
Marco Polo is said to have sailed on the Pacific on his way to Java in the thirteenth century...据说，13 世纪时，马可·波罗在去爪哇岛的途中在太平洋上航行过。Marco Polo is said to have sailed on the Pacific on his way to Java in the thirteenth centur...