生于北美东部的两种李子树或灌木之一，结深紫色果实的黑刺稠李，或结黄色或红色果实的金刺稠李。
Either of two eastern North American plum trees or shrubs, Prunus alleghaniensis, having dark purple fruit, or P. americana, having yellow or red fruit.
两磅李母亲：我让我的小儿子来买二磅李子，可你只给了他一磅半。
Pounds of Plums Mother: I sent my little boy for two pounds of plums and you gave him a pound and a half.
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