C19

名词 n.

英文释义

名词 n.
  1. The nineteenth century; the 1800s.
  2. COVID-19.
    — C19 food supply disruptions […] C19 travel restrictions
  3. Describing a grouping of stars in the Milky Way galaxy halo that are 2,500 times lower than the sun.

词形变化

C-19 alternative
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