periostracum
「periostracum」的意思
n. 角质层
n.(软体动物介壳的) 角质层
「periostracum」的用法
periostracum外皮，外层 - 生物学
「periostracum」的例句
The periostracum is the outer layer of the shell.
外皮是壳的外层。
The periostracum provides protection for the soft parts inside.
外皮为软内脏提供保护。
The periostracum is often colorful and attractive.
外皮通常色彩鲜艳，吸引力强。
Scientists study the periostracum to understand more about shell formation.
科学家研究外皮以了解壳的形成。
The periostracum is an important part of the shell's structure.
外皮是壳结构的重要组成部分。
Some species have evolved unique patterns on their periostracum.
有些物种在外皮上进化出了独特的图案。
The periostracum helps in preventing water loss from the shell.
外皮有助于防止水分从壳中流失。
The periostracum is often used in jewelry and decorative items.
外皮常用于珠宝和装饰品。
The periostracum can vary greatly in thickness and color among different species.
不同物种的外皮在厚度和颜色上可能有很大差异。
Researchers are interested in how the periostracum develops during shell growth.
研究人员对贝壳生长过程中外皮的发育感兴趣。