test 2
(tĕst)
(tĕst)n.
A hard external covering, as that of certain amoebas, dinoflagellates, and sea urchins.
[Latintesta, shell.]
test2of a sea urchin
| 单词 | test |
| 释义 | test 2 (tĕst)n. A hard external covering, as that of certain amoebas, dinoflagellates, and sea urchins. [Latintesta, shell.] test2of a sea urchin |
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