单词:calcined gypsum powder for medicine
单词:calcined gypsum powder for medicine 相关文章
ANNOUNCER: Welcome to THIS IS AMERICA IN VOA Special English. I'm Faith Lapidus. White Sands National Monument One of the worlds great natural wonders is in the state of New Mexico, in the American Southwest. Nature has created huge moving hills of
今天要讲的习惯用语都由这样一个关键词发展而来 : powder。 大家一定知道powder是粉, 可以是扑脸的香粉,也可能是治病的药粉或者爆炸的火药,种类繁多。今天要学的第一个习惯用语是:
ANNOUNCER: Welcome to THIS IS AMERICA IN VOA Special English. I'm Faith Lapidus. One of the world's great natural wonders is in the state of New Mexico, in the American Southwest. Nature has created huge moving hills of pure white sand. These sand du
Suspicious Powder Discovered on Capitol Hill Deborah Tate Three U.S. Senate office buildings are closed, and congressional business has been disrupted a day after a suspicious powder, believed to be t
HELSINKI, July 17 (Xinhua) -- A waste stack near the coast of the Baltic Sea is leaking considerable amount of phosphorous to the sea waters, Finnish environment ministry said on Wednesday. The Finnish Environmental Institute took samples from two ph
The four miners have been named as Guan Qingji, Hua Mingxi, Li Qiusheng and Zhao Zhicheng. They were brought to the surface one after another through an specially drilled access shaft between 9:20 and 10:50 local time, late on Friday. They are now re