declivity
名词 n.
英 /dɪˈklɪvɪti/
英文释义
名词 n.
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The downward slope of a curve.
— The Declivity was ſo ſmall, that I walked near a mile before I got to the Shore, which I conjectur'd was about eight a-clock in the Evening.
- A downward bend in a path.
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An inward curve of the exoskeleton of an insect, such as between body segments; a segment of an insect's body where the exoskeleton curves inward.
— 1979, Entomology Circular, Issue 200, Part 366, Division of Plant Industry, page number not shown, Males of all species have more developed armature of the elytral declivity than females (Figs. S, 6, 8, 9, 11-14).
词形变化
词汇关系
词源
1610s, from French déclivité, from Latin declivitatem, dēclīvitās,
from dēclivis (“a sloping downward”), from de (“down”) + clīvus (“a slope”), from Proto-Indo-European *ḱleywo-, from Proto-Indo-European *ḱley- (“to lean”) (English lean).
from dēclivis (“a sloping downward”), from de (“down”) + clīvus (“a slope”), from Proto-Indo-European *ḱleywo-, from Proto-Indo-European *ḱley- (“to lean”) (English lean).
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数据来源: Wiktionary