n.刻??;嚴(yán)厲;(氣候等的)嚴(yán)酷;粗糙
He spoke to the boy with asperity. 他嚴(yán)厲地對那男孩講話。
If such additives are used then the chemical activity may not be restricted to the asperity contacts. 如果使用了上述添加劑,化學(xué)反應(yīng)可能就不限于表面粗糙的接觸。