tropic

The Tropic of Cancer marks the northernmost point where the sun can appear directly overhead at noon.

(Chinese) 北回归线标志着太阳在中午能直接出现在头顶的最北端。

Regions located between the two tropics generally experience hot and humid weather throughout the year.

(Chinese) 位于两条回归线之间的地区通常全年气候炎热潮湿。