n.簇；丛
名词tuft的复数形式.
Even paved parking lots often display a few tufts of tough grass poking up through the cracks. 即使是在铺砖的停车场，也常会有几簇顽强的小草从缝隙间探出身来。
In this benign gland, the luminal contour shows tufts and papillary infoldings. 下面的良性前列腺腺体内，腺腔内可见丛状和乳头状内折。
