求翻译：5、白天日照强烈时，可适当使用窗帘遮阳，以免阳光直射到家具上，强烈的阳光不仅容易损伤家具，还会加剧甲醛挥发。是什么意思？

5, when sunshine during the day strongly, may be appropriate to use curtain shade, avoid direct sunlight on the furniture, furniture strong sunlight is not only easy to damage, would also exacerbate formaldehyde volatilization.