She knew Felix fancied himself as a connoisseur.她知道费利克斯把他自己当成鉴赏家。a connoisseur of Italian painting意大利绘画鉴赏家Only the real connoisseur could tell the difference between these two wines.只有真正的内行才能指出这两种酒的区别....
Through nitrosation , hydrogenate reducion, and acylate three steps, the yield surpass 80 % for the diethyl malonate.收率相对于丙二酸二乙酯达到了80%以上.The necessary material of 2 - ( 2 - methoethyl ) acetaldehyde diethyl acetal was sy...
From childhood, he was evidently at once rebellious and precocious.从儿时起，他就明显地既叛逆又早熟。He grew older and more rebellious.他长大了，也越发叛逆了。He has always had a rebellious streak .他总是有点倔强。...
In his mind, religion and politics were inseparably intertwined.在他心中，宗教与政治是密不可分地交织在一起的。Throughout most of human history, mathematics and physics have been inseparably joined.在人类历史的部分时期中, 数学与物理学几乎始终是不可分地联系在一起的.Holding our...