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n.六亞甲基四胺，烏洛托品...

Following that, two effective additives - syclotersuphone and methenamine are found by series experiments.然后通過大量實(shí)驗(yàn)篩選出兩種有效添加劑環(huán)丁砜和六次甲基四胺....

methenamine的音標(biāo)：methenamine的英式發(fā)音音標(biāo)為：[me'θi:n?mi:n]methenamine的美式發(fā)音音標(biāo)為：[m?'θin??min]...