| 单词 | mesoplankton |
| 释义 | mesoplankton /mez'euh plangk"teuhn, mes'-, mee'zeuh-, -seuh-/, n. 1. plankton that live at middle depths. 2. planktonic organisms between 0.04 and 0.4 in. (1 mm and 1 cm) in length. [1895-1900; MESO- + PLANKTON] |
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