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 truck lumbered across the parking lot toward the road.卡车隆隆地驶过停车场准备上路。A rhinoceros lumbered towards them.一头犀牛笨重地向他们走来.The truck lumbered across the parking lot toward the road...卡车隆隆地驶过停车场准备上路。He turned and lumbered b...
拉维奇在漆黑, 冰冷的楼梯间,一直哭号着.Ravitch persistently cried in the black, frozen staircase.威廉·拉维奇医生说窒息可以引起昏厥, 这种情况称为血管迷走神经性昏厥.William Ravich said choking can cause a person to faint, an occurrence known as vasovagal syncope.那不勒斯体育主管...
...a firework display.焰火表演The gala culminated in a firework display.晚会以大放烟火告终....a dazzling firework display which rounded off a lovely day...为美好的一天画上圆满句号的绚烂烟花A man's heart is a firework that once in its time heaven...