| 单词 | duck-ladder | 
| 释义 | > as lemmasduck-ladder   duck-ladder  n. a kind of short ladder. ΘΚΠ society > occupation and work > equipment > ladder > 			[noun]		 > small ladder eschellett1578 duck-ladder1883 1883    Law Times Rep. 49 139/1  				He took a shorter ladder (called a duck ladder) and placed this duck ladder against the roof. < as lemmas  | 
	
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