They don't have any contractible muscle tissue, because they need to be able to expand, so they require outside help in order to move.
它们没有任何可收缩的肌肉组织,因为它们需要能够扩张,所以它们需要外界的帮助才能移动。
单词 | contractible |
释义 |
contractible
|
随便看 |
|
英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。