| 单词 | crutch-pin |
| 释义 | > as lemmascrutch-pin crutch-pin n. the pin of a pendulum crutch. ΚΠ 1772 F. Wollaston in Philos. Trans. (Royal Soc.) 63 77 The bottom of the stem, instead of receiving the crutch-pin, is turned sideways. < as lemmas |
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