| 单词 | Jacob's-ladder |
| 释义 | Jacob's-ladder /jay"keuhbz lad"euhr/, n. any of various plants belonging to the genus Polemonium, of the phlox family, esp. P. caeruleum (or P. van-bruntiae), having blue, cup-shaped flowers and paired leaflets in a ladderlike arrangement. [1725-35] |
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