rille

n. [天](月面)沟纹

发音

/ɹɪl/
/ˈɹɪlə/

词形变化

rilles 复数 rilles

别名

rill

释义与例句

n.
  1. 1.

    A long, narrow depression that resembles a channel, found on the surface of various lunar and planetary bodies.

    天文

词源

Borrowed from German Rille (“channel”).

来源：wiktionary