C19
名词 n.
英文释义
名词 n.
- The nineteenth century; the 1800s.
-
COVID-19.
— C19 food supply disruptions […] C19 travel restrictions
- Describing a grouping of stars in the Milky Way galaxy halo that are 2,500 times lower than the sun.
词形变化
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数据来源: Wiktionary