“烃基化”的英语

研究了聚氯乙烯 - 吡啶树脂催化乙酰苯胺的N - 烃基化作用,反应条件温和,产品收率令人满意.This paper studied the catalytic N - alkylation of acetanilide with polyvinyl chloride - pyridine resin.方法以3-甲氧基苯硫酚和对甲氧基 - 苯乙酮为原料经溴化、烃基化、环合重排排制得目标产物.Methods: The target comp...

sing的近义词有：sing, hum。下面这两个动词均含"唱"的含义：sing：普通用词，泛指一般的歌唱或发出悦耳的声音。hum：指闭着双唇而不唱出字来，低语般的哼唱。...

corruptible的音标：corruptible的英式发音音标为：[kə'rʌptəbl]corruptible的美式发音音标为：[kə'rʌptəbəl]...

用文火熬出来的粥,成胶状, 既粘又香还甜.Boil the congee that come out agglutinate, stick already sweet sweet still....

“小扁豆”的拼音为：xiǎo biǎn dòu...

adj.（头发）平直的，稀疏的，（人）瘦长的...

persecuting的音标：...

candidate的音标：candidate的英式发音音标为：['kændɪdət]candidate的美式发音音标为：['kændɪˌdet, -dɪt]...

[人名] 德沃尔...

女孩子们拿着桶和铲子在沙滩上快活地玩耍。The girls happily played in the sand with buckets and spades.他们快活地扑向三明治。They fell on the sandwiches with alacrity.鸟儿在快活地歌唱.Birds were a singing merrily....

“魔鬼的”的英语可以翻译为：demoniac ...

keep sb up的音标：...

“承租人”的英语可以翻译为：tenantry，lessee，tenant，leaseholder，renter ...

n.直读式频率计(0-500赫)...

n.矢车菊，蓝色的呢绒帽，（戴兰色小帽的）苏格兰士兵，蓝帽...

妊娠的头三个月the first trimester of pregnancy前次妊娠的黄体很快开始退化.The corpus luteum of the previous pregnancy regresses very rapidly.妊娠的能量利用,受妊娠期合成代谢的生物学适应性所支配.The energy economy of pregnancy is dominated by the biological adaptation...