她在画廊展出了一幅由两幅相连木板组成的双联画。

She exhibited a ___diptych of two connected wooden panels at the gallery.

这部音乐作品通过两部分乐章，巧妙地对比了欢乐与忧伤，构成了一幅美丽的双联画。

The musical ___diptych beautifully contrasts joy and sorrow in its two parts.