| 单词 | tetra |
| 释义 | Word Frequency tetra(ˈtɛtrə) nounWord forms: plural -ra or -ras any of various brightly coloured tropical freshwater fishes of the genus Hemigrammus and related genera: family Characidae (characins) Word origin C20: short for New Latin tetragonopterus (former genus name), from tetragon + -o- + -pterous, from Greek pteron wingWord Frequency tetra- or before a vowel tetr- combining form four tetrameter Word origin from Greek |
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