I see my role as being a catalyst for change.我认为我的角色是促成变革。A catalyst is a substance which speeds up a chemical reaction.催化剂是一种能加速化学反应的物质.It acts as a catalyst in the process of fermentation.它在发酵过程中起触媒的作用....
Aspirin is synthesized through O - acylating reaction from acid and anhydride acid with anhydrous carbonate as catalyst.以水杨酸和乙酸酐为原料,采用无水碳酸钠作为催化剂经O - 酰化反应合成了阿司匹林.In 2002, we develop Photo - catalyst & electronic Ionizer A...
喷口修复后，水罐还能用。The ewer is in very good condition with spout restored.她迅速地把水罐里的水统统倒进水槽.So she quickly emptied her jar into the trough.盛着冰水的水罐表面在热天会结水珠.A pitcher of ice water sweats on a hot day....
Pope John Paul II knelt in his white robes before the simple altar.教皇约翰·保罗二世身着白色长袍在简朴的圣坛前面跪下来。The amoeba is a very simple organism.变形虫是很简单的生物体.However, the popular perception of China as an insatiable commodity - guzzler...