catalyst是什么意思？

catalyst的音标：catalyst的英式发音音标为：['kætəlɪst]catalyst的美式发音音标为：['kætlɪst]...

catalyst的复数形式为：catalysts...

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...

Beguine: a member of any of several lay sisterhoods founded in the Netherlands in the 13 th century.贝居安: 女修士会修女13世纪建于荷兰的几个凡人修女团体的成员....

lye的音标：lye的英式发音音标为：[laɪ]lye的美式发音音标为：[laɪ]...

n.发送脉冲...

堆土机很快把工地整平了.The bulldozers quickly leveled off the site.他们迅速地把工地整平了.They quickly leveled off the site.主要产品有轻型压路机 、 混凝土整平机 、 工程照明车等.The main products are light roller, concrete leveling machine, engineering, light trucks....

seminal的音标：seminal的英式发音音标为：['semɪnl]seminal的美式发音音标为：['sɛmənəl]...

dianthus的音标：dianthus的英式发音音标为：[daɪ'ænθəs]dianthus的美式发音音标为：[daɪ'ænθəs]...

“使再生”的英语可以翻译为：[医]regen，regeneration ...

bensulide的音标：bensulide的英式发音音标为：[bens'ju:laɪd]bensulide的美式发音音标为：[bens'julaɪd]...

n.皮上层...

cash的反义词有：credit, credit。n.cash的反义词（现金,现款）：credit。cash的反义词（其他释义）：credit。...

他是南非仅有的几千名虔诚的拉斯塔法里教徒中的一员。He was one of the few thousand committed Rastafarians in South Africa.管理部门把他仅有的那点财物还给了他。The management handed back his few posses-sions.这乡村景色的宁静是绝无仅有的.The tranquil beauty of the village scenery i...

digital television的音标：digital television的英式发音音标为：['didʒitəl 'teliˌviʒən]digital television的美式发音音标为：['dɪdʒɪtl 'tɛləˌvɪʒən]...

Aspartate is readily converted to asparagine.天门冬氨酸易于转变成天门冬酰胺.Further studies are needed on opioids, N - methyl - D - aspartate antagonists, and ion channel blockers.阿片类药物 、 N - 甲基 -D- 天(门)冬氨酸拮抗剂和离子通道阻滞剂的疗效还有待研究.Aspartate...

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