Sulfuration of a thioloester(或是thiol ester),a carboxylic aci
Sulfuration of a thioloester(或是thiol ester),a carboxylic aci
英语翻译At a pH of 3,the carboxylic acid of the side chains of a
aci
英语a book of或是on和about
英语翻译Cu-Catalyzed Formation of Triazole-Linked Glycoamino Aci
a large crowd of 后面更的是什么,可数名词或是不可数
ACI是什么
英语翻译Hello Dear,My name is Ester De Leon,The wife of Mr Feder
判断命题的真假: 集合A是A∩B的子集或是A∪B的子集( )
A ( )of bread
a mass of )
a bag of()、a can of()、a bottle of()、a slice of()、a glass of(