zettameter

名词 n.
中文释义

英文释义

名词 n.
  1. US spelling of zettametre. US,alt-of
    — On the other extreme, our galaxy (we call it the Milky Way) is about 0.9 Zm (Zettameters, 100 million trillion meters) in diameter.

词形变化

zettameters plural
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