noun🔗Share福尔马林，甲醛溶液 A solution of formaldehyde in water; used as a disinfectant and to preserve biological specimens."The science teacher carefully placed the frog into a jar of formalin to preserve it for future study. "科学老师小心地把青蛙放进装有福尔马林 (甲醛溶液) 的罐子里，以便保存它，供日后研究。medicinesubstancechemistrybiologyChat with AIVocabulary GamePractice Reading
