pitch drop experiment青: blue or green沥青滴漏实验: pitch drop experiment滴漏: dribbling; drip; leak through; water-glass滴漏法: trickling filtration防滴漏: antidrip下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:青滴漏，即可在微信中查询翻译
