1630s, "having two modes of existence, of doubtful nature," from Greek amphibia, neuter plural of amphibios "living a double life," from amphi- "of both kinds" (see amphi-) + bios "life" (see bio-).
Formerly used by zoologists to describe all sorts of combined natures (including otters and seals), the biological sense "class of animals between fishes and reptiles that live both on land and in water" and the noun derivative both are first recorded 1835. Amphibia was used in this sense from c. 1600 and has been a zoological classification since c. 1819.
雙語例句
1. Both the toad and frog are amphibian.
蟾蜍和青蛙都是兩棲動物.
來自《簡明英漢詞典》
2. Conclusion Onychodactylus fischeri is a relatively primitive type in the amphibian.
結論爪鯢在兩棲綱動物中屬于較原始的種類.
來自互聯(lián)網(wǎng)
3. It is being actively pursued by amphibian specialists, for example.
舉個例,許多兩棲類生物研究專家正積極的從事這項工作.
來自互聯(lián)網(wǎng)
4. The North American Amphibian Monitoring Program is the country's largest frog - counting system.
北美兩棲類監(jiān)測計劃是美國最大的青蛙計數(shù)系統(tǒng).
來自互聯(lián)網(wǎng)
5. The sealed bottom is for setting making for amphibian.