Aculeus
[ә'kju:liәs]
解释:
(noun.) a sharp-pointed process especially a sting of a hymenopterous insect.
(noun.) a stiff sharp-pointed plant process.
整理:洛厄尔--From WordNet
解释:
(n.) A prickle growing on the bark, as in some brambles and roses.
(n.) A sting.
杰克逊整理