英语中的抽象名词通常是不可数名词.Abstract nouns are usually uncountable nouns in English.小鸡尚未孵出来不可数.You must not count your chickens before they are hatched.不可数名词在本词典中以 [ U ] 标明.An uncountable noun is marked [ U ] in this dictionary....
Under favorable conditions, sellaite - fluorite type gold deposit will be formed from the solution.在合适的条件下形成氟镁石-萤石型金矿床.The cerium oxide preferably has a fluorite type superlattice structure.该氧化铈还优选具有萤石类似结构的超晶格结构.Obviousl...
介绍了丙二酰氧基硼氢化钾的制备及其原位与烯烃的选择性硼氢化.The preparation of potassium malonyloxyborohydride in situ and its selective hydroboration alkene are described.叙述了丙二酰氧基硼氢化钠的制备及其原位与烯烃的选择性硼氢化反应.The preparation of sodium malonyloxyborohydrid...
OBJECTIVE To evaluate cytotoxicity of atenolol nasal gel.目的:评价阿替洛尔鼻用凝胶剂的纤毛毒性.What could be the possible mechanism of the difference amlodipine group and the atenolol group?能否分析一下差异发生的可能机制?...
He precipitated himself from the housetop.他由屋顶跳下.She is sitting at the window, looking out over the housetop.她坐在窗户旁边, 看著外面的屋顶.I lie awake , I have become like a lonely bird on a housetop.诗102:7我警醒不睡.我像房顶上孤单的麻雀....