English Dictionary

rooftop

noun

(somewhat formal) The area atop a roof. / The top layer of a roof; the material covering or composing a roof.

I love spending time on the rooftop of my apartment building.

意味（1）

(somewhat formal) The area atop a roof.

Why do you think the rooftop of their apartment building is called tar beach? (Answers may vary.)

意味（2）

The top layer of a roof; the material covering or composing a roof.

The house itself was a mound of red baked bricks and a tin rooftop.