柠檬的酸涩与蜂蜜的甜味形成对比。

The sharpness of the lemons ___contrasts with the sweetness of the honey.

她苍白的表情与她垂过肩膀的长长黑发形成对比。

Her pale expression ___contrasted with her long, dark hair that hung down beyond her shoulders.

现代建筑与老城区的传统建筑形成鲜明对比。

The modern architecture ___contrasts sharply with the traditional buildings in the old town.