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...
Knives will scratch the worktop.小刀会在工作台上留下划痕。The worktop is made of solid beech.操作台是由结实的山毛榉木做成的。She lifted the carrier bag onto the worktop and reached for the kettle.她把纸袋放在厨柜上,然后去拿水壶....
12英寸左右的宽度绝对是你应考虑的最低值。About 12 inches wide is the absolute minimum you should consider.鞍具有各种不同的宽度。Saddles are made in a wide range of different widths.用尺子量一下那块布的宽度.Use a rule to measure the width of that cloth....
I spent lots of money on smart new outfits for work.我花大笔钱购置了上班时穿的漂亮新套装。His most prized time, though, will be spent quietly on his farm.不过，他最宝贵的时光将在自己的农场里平静地度过。We spent years travelling around in a rusty old van.我们多年来都开着一...