Back roofs are made from poplar and willow wood. Straw or water-resistant local grass is used for thatch to help minimise heat loss.
顶部用杨木和柳木搭出架子，苫上稻草或防水的当地野草来最大限度地减少热量损失。
2
The water extract of poplar root promoted seedling growth of rape, soybean, white turnip and root growth of rape.
杨树根浸提液对大豆、萝卜的高生长，油菜的高生长和根长生长具有显著的促进作用。
3
The roars of stream water dashed into the bamboo fence recklessly, made a detour around a row of tall poplar, then caught their conversation away with it gently.