Red ribbon forms a knot in the centre of the cogwheel.齿轮的中心交结着红绶.A cogwheel is placed where the wheat and rice stems cross at the base.齿轮安在下方麦稻杆的交叉点上....
He conceals his worries behind a mask of nonchalance.他装作若无其事,借以掩饰内心的不安.Drunkenness reveals what soberness conceals.酒醉吐真言.The apparent simplicity of this concept conceals innumerable snags.这种表面很简单的概念却隐藏着无数的暗礁.He conceals ...