steepen
vt.使陡峭 vi.变陡峭
难易程度:
steepen为短语/超纲词汇
steepen
/'sti:pən; `stipən/
v [I, Tn] (cause sth to) become steep1(1) or steeper (使某物)变陡, 变得更陡峭
*The path steepens as you climb the hillside. 沿着山坡往上爬时, 那条小径越来越陡.
steepen
v [I and T]
if a slope, road etc steepens, or if something steepens it, it becomes steeper