terrella

n. 内部环境与地球表面环境相同的太空舱

词形变化

terrellae terrellas 复数 terrellas terrellae 复数

释义与例句

n.
  1. 1.

    A small magnetized model ball representing the Earth, used in investigating magnetism.

    历史

词源

From Latin terra (“Earth”) + -ella, meaning "little Earth". A modern formation: compare classical Latin terrula (“small field”).

来源：wiktionary