a heavy tool with a rounded end, used for crushing and grinding substances such as spices or drugs, usually in a mortar
(研钵中捣研用的)杵;研槌;捣锤。
a mechanical device for grinding, pounding, or stamping something
粉碎机,研磨机。
crush or grind (a substance such as a spice or drug) with a pestle
(用杵或粉碎机)捣碎,研磨(诸如调料或药物)
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she measured seeds into the mortar and pestled them to powder .她量了些种子倒进研钵中并把它们研成粉末。
"Middle English: from Old French