an acid condition什么意思?the third capsule to overcome an acid

英语翻译the sulfuric acid is present as an acid catalyst in the ACID什么意思? TOUCH-UP SOLUTION IS AN ACID 1.darw the general structure of an amino acid 2.draw the str 英语翻译Evaluation of the dyeing mechanism of an acid dye on pro acid test的意思 英语上的几个问题1.evident作名词讲时前面是加a还是an?why?2.The problem of acid ra Benzoic Acid Nitric Acid 请问benzoid acid的意思是什么? acid的词性、音标、意思各是什么 the strength of 98% sulfuric acid