他们一起站在门廊上按响了门铃。They stood together on the stoop and rang the bell.她按门铃时身子在门廊里缩成一团。She huddled inside the porch as she rang the bell.有成千上万页广告堆在我们的门廊上.There are thousands of pages of advertising on our porch....
The fossil fuels (coal and oil) are finite resources.化石燃料（如煤和石油）属于有限资源。a finite number of possibilities为数有限的可能Human understanding is finite.人的理解力是有限的....