例句與造句

1. Based on some examples , geologic hazard problems , such as earthquake , geofracture , ground subsidence , collapse , water environmental depravation , landslide , dilapidation , mudrock flow , float sand , piping and yielding soil deformation etc . , are summed up generally during the course of development for chinese cities
   以實(shí)例的形式，概要總結(jié)了中國城市發(fā)展過程中存在的地震、地裂縫，地面沉降、塌陷，水環(huán)境惡化，滑坡、崩塌、泥石流，流砂、管涌、軟土變形等地質(zhì)災(zāi)害問題；根據(jù)產(chǎn)生地質(zhì)災(zāi)害的動(dòng)力作用性質(zhì)，對(duì)地質(zhì)災(zāi)害進(jìn)行了分類。
2. It's difficult to find float sand in a sentence. 用float sand造句挺難的