凸: Ⅰ动词(高出) bulge; protrude 短语和例子挺胸凸肚 throw out one's chest and bulge one's bellyⅡ形容词(高于周围) protruding; raised 短语和例子凸纹 raised carving or design; 凸花银瓶 [工美] a silver vase with a raised floral de
滚: Ⅰ动词1.(翻转; 滚动) roll; turn round; trundle 短语和例子打滚儿 turn a somersault; 滚进 roll-in; 满地乱滚 roll all over the ground; 滚铁环 trundle a hoop; 他滚了一个雪球。 he rolled a snowball. 球滚到桌子下面去了。 the ball rolled