水中含量极小的化学成分minute amounts of chemicals in the water这两个词之间在意义上差别是极小的.There is a negligible difference in meaning between these two words.我住在一间极小的茅屋里.I live in a tiny cottage....

“极小的”的英语可以翻译为：dinky，pindling，teeny，thumbnail，infinitesimal ...