They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis methods.即丙烯醛水合法, 环氧乙烷甲酰化法,生物发酵法.Porous adonic aluminum oxide templates are widely used to fabricate nanowires or nanotubes of many mat...
她仍然患有严重的胃痉挛，感觉疼痛、疲乏、抑郁。She continued to have severe stomach cramps, aches, fatigue, and depression.冠状动脉的肌肉痉挛可能导致心脏病。A muscular spasm in the coronary artery can cause a heart attack.缺镁会导致肌肉痉挛。A lack of magnesium causes mu...
This year we're going trekking in Nepal.今年我们准备去尼泊尔远足。She can't come pony trekking after all because she's in a delicate condition.她结果还是不能坐小马车旅行,因为她已怀孕.When we think of adventurers, many of us conjure up im...