tropical
adj.
1520s, "pertaining to the celestial tropics," from tropic + -al(1). In reference to the torrid zones of the earth, from 1690s. Meaning "hot and lush like the climate of the tropics" is first attested 1834.
| 词汇 | tropical | 
| 词根词缀 | Online Etymology Dictionary tropical adj. 1520s, "pertaining to the celestial tropics," from tropic + -al(1). In reference to the torrid zones of the earth, from 1690s. Meaning "hot and lush like the climate of the tropics" is first attested 1834. | 
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