| 词汇 | bouncing bet saponaria officinalis |
| 词源 | Bouncing Bet (Saponaria officinalis). This plant lathers in water, which accounts for its soapy botanical name. Its com- mon name Bouncing Bet or Bouncing Betty honors British bar- maids who were in days past often called Bet or Betty and cleaned beer bottles with the plant’s branches. |
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