optimistic的反义词有：pessimistic, cynic, despairing, cynical。adj.optimistic的反义词（乐观的;乐观主义的）：pessimistic。optimistic的反义词（其他释义）：cynic, despairing, cynical。...

mistake的近义词/同义词有：faux, miss, oversight, blunder, error, slip, fault, pas, blunder, misadventure, confuse, misjudge, fault, faux, oversight, miss, misunderstanding, pas, slip, error, fallacy。n.mistake的近义词（错误;疏忽）：faux, mis...

I was a dunce at chemistry.我在化学方面是个劣等生....a chemistry textbook.化学课本Ester is one of the most important compounds in Organic Chemistry.酯是有机化学中最主要的化合物之一.It was by using anima that Besant and Leadbeater could observe atoms a...

The mist shrouding the walley had lifted.笼罩山谷的雾霭散去了.He recognized the coast of England through a veil of mist...透过薄雾他认出了那是英格兰的海岸线。The mountain tops were wreathed in mist.山顶笼罩在薄雾之中。It isn't raining, it's only mi...

mistake的现在完成时为：mistaken...

They are not optimistic about a settlement of the eleven year conflict.他们不是很有信心能和平解决这场长达11年的纷争。Michael was in a jovial and optimistic mood.迈克尔情绪愉快乐观。He is known for his optimistic can-do attitude.他因乐观敢闯而闻名。...

n.胶体化学...

n.微量化学...

mistake的复数形式为：mistakes...

adj.原子论的...

mist的音标：mist的英式发音音标为：[mɪst]mist的美式发音音标为：[mɪst]...

v.弄错，误解( mistake的过去式 )，认不出，误会，看错...

mistress的音标：mistress的英式发音音标为：['mɪstrəs]mistress的美式发音音标为：['mɪstrɪs]...

mistress的复数形式为：mistresses...

mistake for的音标：mistake for的英式发音音标为：[mis'teik fɔ:]mistake for的美式发音音标为：[mɪ'stek fɔr]...

犯错，出岔子...

Wetland biogeochemistry is the core of wetland ecosystem ecology process.湿地生物地球化学是湿地生态系统生态过程的核心研究内容.Application of Geographical Information System ( GIS ) to the Study of Mercury Biogeochemistry in the Environment.地理信息系统...

Sir Ernst Boris Chain was a German - born British biochemist.恩斯特·鲍里斯·钱恩先生是一位出生在德国的英国生物化学家.German biochemist德国生化学家She a biochemist who works on the frontiers of biology.她是从事生物学前沿研究的生化学家.The impurity of supposedly pure sub...

The impurity of supposedly pure subcellular fractions is a constant threat to the plant biochemist.以为亚细胞组分很纯而实际不纯的情况,一直是植物化学家感到难办的问题.Sir Ernst Boris Chain was a German - born British biochemist.恩斯特·鲍里斯·钱恩先生是一位出生在德国的英国生物化...

You can obtain the product from all good chemists.你可从各大药房买到这种产品。The Chemists have tinkered with heat and metal catalysts to refine their materials.化学家摆弄热和金属催化剂来提炼....a soap substitute such as an aqueous cream, available ...

宏观地球化学...

v.弄错，误解( mistake的现在分词 )，认不出，误会，看错...

chemistry的复数形式为：chemistries...

mistrusted的音标：...

mistime的一般过去时为：mistimed...

The chemist flocculated the suspended material.这名化学家把这些悬浮物变成了絮凝物.Louis Pasteur, French chemist and bacteriologist, was born at Dole.法国化学家、细菌学家路易·巴斯德生于多尔.You will have to take your prescription to a chemist.你得拿着处方去找药剂师。Ge...

fissiochemistry的音标：fissiochemistry的英式发音音标为：[fɪaɪəʊ'kemɪstrɪ]fissiochemistry的美式发音音标为：[fɪaɪəʊ'kemɪstrɪ]...

mistrust的第三人称单数（三单）为：mistrusts...

vt.在不适宜的时候说或做...

Medieval alchemists attempted to transmute base metals into gold.中世纪的炼丹术士企图把贱金属炼成金.Alchemists searched in vain for this substance for several hundred years.炼金术士探寻这种物质达数百年之久而终无所获.The alchemists were the forerunners of the...