Read Edit View history 噻吩 sāifēn thiophene Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 噻吩 · sāifēn · thiophene 2026/03/04 噻吩 sāifēn thiophene thiophene (chemistry) (loanword) 噻吩是一种重要的杂环化合物。 noun created sense Mar 4, 2026, 02:25 AM