velocity of landslides的用法和樣例：
例句
- Giant boulders still littered the road and the surrounding mountains were scarred with huge landslides, some of which had buried whole villages.
路上依然布滿(mǎn)大石塊，周?chē)缴隙际谴笠幠；碌暮圹E，一些山體滑坡掩埋了整座整座的村莊。 - It is a new subject of geo-hazard study to provide safe lands for constructi on for the settlement of immigrants on the basis of landslide trea tment.
在防治滑坡的基礎上，為移民遷建提供安全可靠的建設用地是三峽地質(zhì)災害研究的新課題。
