浓度: potency; thickness; concentration; consistence; strength; consistency; density 短语和例子当量浓度 [化学] equivalent concentration; 高浓度 high concentration; 矿浆浓度 pulp density
秋: 名词1.(秋季) autumn; [美国] fall 短语和例子秋风 autumn wind; 深秋 late autumn; 在初秋 in early autumn; 在一九九二年秋 in the fall of 19922.(庄稼成熟时节) harvest time 短语和例子麦秋 time for the wheat harvest3.(一年的时间) year 短语和