tributary

支流

Several tributaries feed into the river before it reaches the sea.

這條河在入海之前匯集了好幾條支流。

進貢國、屬國、朝貢者歷史

The empire collected silk and grain from its tributaries each year.

該帝國每年向各屬國徵收絲綢與穀物。

支流的

The map shows every tributary stream in the valley.

這張地圖標出了谷地裡所有的支流溪水。

進貢的、附屬的歷史

The kingdom remained tributary to its powerful neighbor for centuries.

這個王國數百年來一直向強鄰進貢稱臣。