A. letting the liquid evaporate to see if a solid is left behind
B. carefully smelling the liquid
C. tasting the liquid
D. cannot perform safely in the laboratory
收錄日期: 2021-04-21 14:13:44
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150914210415AAwoysD