| 词汇 | serum |
| 词根词缀 | 词源： 1672, "watery animal fluid," from L. serum "watery fluid, whey," from PIE base *ser-/*sor- "to run, flow" (cf. Gk. oros "whey;" Skt. sarah "flowing," sarit "brook, river"). First applied 1893 to blood serum used in medical treatments. |
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