yáng tái / shàng / fàng zhe / yī / gè / dài gài / yān gāng / fáng zhǐ / yān huī / bèi / fēng / chuī / de / dào chù / dōu / shì

阳台上放着一个带盖烟缸，防止烟灰被风吹得到处都是。

There is a covered ashtray on the balcony to keep the wind from blowing ash everywhere.