testacea

词形变化

only 复数

释义与例句

n.
  1. 1.

    Any of various shellfish, especially those of the obsolete orders Vermes or Acephala, or the suborder Thecosomata.

    废旧 仅复数 生物
  2. 2.

    A testaceous substance, something made of shell or shell-like material.

    废旧 罕用 不可数

词源

From Latin testāceus (“covered with a shell”).

来源：wiktionary