elongation汉语翻译：
n. 伸长, 延长, 延伸率
【化】 伸长; 伸长率
【医】 展长, 伸长英语解释：
名词 elongation:

the quality of being elongated

an addition to the length of something同义词：extension

the act of lengthening something

例句：

Any of several plant hormones that regulate various functions, including cell elongation.植物生长素一种调节多种功能，包括细胞伸长的植物激素

详细解释：
e.lon.ga.tion
n.（名词）
The act of elongating or the condition of being elongated.
拉长：拉长的动作或被拉长的状态
Something that elongates; an extension.
拉长物；延伸物
The angular distance between two celestial bodies as seen from Earth.
距角：从地球上看的两个天体之间的角距离