verb
数据来源:WordNet
Of the three types of nicotine , researchers found that all the brands of e-liquid they tested were the strongest form - free-base nicotine that is easily absorbed by the body .
研究人员发现,他们测试的所有品牌电子烟含有的尼古丁都是游离态的,这是尼古丁三种类型中药性最强的,且很容易被身体吸收。