They're building new houses by the river.
他們正在河邊建新房子。
The birds built their nest in the tree.
鳥兒們在樹上築巢。
These old houses are built (= made) of stone.
這些老房子是用石頭砌的。
Contractors have started building on waste land near the town.
承包商開始在離城鎮不遠的廢棄土地上建房。
We want to build a better future for our children.
我們想為孩子創造更美好的未來。