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单词 umbilicus
释义 um·bil·i·cus
\ˌəmˈbilə̇kəs, -ˈbilēk- also ˌəmbəˈlīkəs\ noun
(plural umbili·ci \ˌ ̷ ̷ˈ ̷ ̷ ̷ ̷ˌkī, -ˌsī, -ˌkē; ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷ˌkī, -ˌsī\ ; or umbilicuses)
Etymology: Latin — more at navel
1.
 a. : a small depression in the middle of the abdomen where the umbilical cord is attached in the embryo
 b. : the place where the extraembryonic structures are continuous with those of the body proper of the embryo
2. : a cavity in the center of the base of a spiral shell that is surrounded by the whorls
3.
 a. : hilum
 b. : a rootlike attachment of the thallus in a lichen
4. : a central point : core, heart
 < the key to control, the umbilicus of this … sea — J.P.O'Donnell >
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更新时间:2024/12/25 11:22:37