专四词汇辨析题 词汇精选：boundary的用法和辨析

词汇精选：boundary的用法和辨析  

一、详细释义：,n.,边界，分界线 [C],例句：,The boundary beeen Shanxi and Shaanxi is the Huanghe River.,山西和陕西以黄河为界。,例句：,The river is the boundary beeen the o countries.,这条河是两国的分界线。,界限，范围 [C],例句：,Minutes later, they scooted past the boundary their mother had set.,几分钟以后他们就冲过了妈妈划定的界限。,例句：,With the advance in science, the boundary of human knowledge is pushed further out.,随着科学的发展，人类知识的范围在不断扩大。,二、词义辨析：,border,bounds,boundary,frontier,limit,这些名词均含有“边界，边境”之意。border多指国与国之间或两地区的分界处，即分界线附近的边缘部分。bounds常与boundary换用，指土地边界，但意思不如boundary明确，主要用于抽象事物和文学作品中。boundary侧重地图上正式标定的、双方遵守的边界，也可指较小行政单位间的界线。frontier指两国接壤的前沿地区，属于各国的国境和边疆，多指设防的边界。limit含义广泛，常用作复数。指任何界限、范围、分界线外面的部分，可指有形或无形的东西。,三、相关短语：,boundary condition,边界条件，极限条件,boundary layer,边界层，界面层,boundary line,边界线，边线，境界线，境界线，分界限线,outer boundary,外边界,四、参考例句：,We crossed the state boundary at midnight.,我们在午夜穿过了州界。,The ball ran to the boundary.,球朝着边线滚去。,An exact artificial boundary condition is obtained on a spherical boundary by a constructive method.,同样，采用构造法在球面上获得了精确的无反射人工边界条件。,The river is the boundary beeen the o countries.,这条河是两国的分界线。,The fence marks the boundary beeen my land and hers.,这道栅栏是我的地和她的地的分界线。,A river forms the boundary beeen the o countries.,一条河流成了两国的分界线。,A river forms the boundary beeen the o countries.,一条河流成了两国的分界线。,The boundary beeen Shanxi and Shaanxi is the Huanghe River.,山西和陕西以黄河为界。,The lane is the boundary of our land from theirs.,那条小路就是我们这片地与他们那片地的分界线。,Blade and vein boundary show more Brown big ill spot.,叶片与叶脉交界处多现褐色大片病斑。