
tropic
词源
源自希腊语 'tropikos',意为 '与回转有关的',指太阳在一年中往返于南北回归线之间的现象。
noun
❶ 热带地区,指地球上赤道附近南北回归线之间的区域,气候终年炎热,雨量充沛。
“The Amazon rainforest is located in the tropic.”
(亚马逊雨林位于热带地区。)
“Many exotic fruits grow in the tropic.”
(许多异国水果生长在热带。)
❶ 回归线,指地球上赤道南北各23.5度的纬线,分为北回归线和南回归线。
“The Tropic of Cancer is located north of the equator.”
(北回归线位于赤道以北。)
“The sun is directly overhead at the tropic during solstice.”
(在夏至或冬至时,太阳直射回归线上空。)
adjective
❶ 热带的,与热带地区相关的,形容具有热带气候特征的事物。
“The island has a tropic climate with high humidity.”
(这个岛屿气候炎热潮湿,具有热带特征。)
“Tropic storms often develop into hurricanes.”
(热带风暴经常发展成飓风。)
常见短语
tropic of Cancer — 北回归线,指北纬23.5度的纬线,是太阳在北半球能够直射到的最北位置。
“The Tropic of Cancer passes through Mexico and Saudi Arabia.”
(北回归线穿过墨西哥和沙特阿拉伯。)
tropic of Capricorn — 南回归线,指南纬23.5度的纬线,是太阳在南半球能够直射到的最南位置。
“Australia is the only continent that the Tropic of Capricorn crosses.”
(澳大利亚是南回归线穿过的唯一大陆。)