一、詳細釋義:


n.

邊界,分界線 [C]


例句:

The boundary between Shanxi and Shaanxi is the Huanghe River.

山西和陜西以黃河為界。


例句:

The river is the boundary between the two countries.

這條河是兩國的分界線。


界限,范圍 [C]


例句:

Minutes later, they scooted past the boundary their mother had set.

幾分鐘以后他們就沖過了媽媽劃定的界限。


例句:

With the advance in science, the boundary of human knowledge is pushed further out.

隨著科學的發(fā)展,人類知識的范圍在不斷擴大。


二、詞義辨析:


border,bounds,boundary,frontier,limit

這些名詞均含有“邊界,邊境”之意。 border多指國與國之間或兩地區(qū)的分界處,即分界線附近的邊緣部分。 bounds常與boundary換用,指土地邊界,但意思不如boundary明確,主要用于抽象事物和文學作品中。 boundary側重地圖上正式標定的、雙方遵守的邊界,也可指較小行政單位間的界線。 frontier指兩國接壤的前沿地區(qū),屬于各國的國境和邊疆,多指設防的邊界。 limit含義廣泛,常用作復數。指任何界限、范圍、分界線外面的部分,可指有形或無形的東西。


三、相關短語:


boundary condition

邊界條件,極限條件


boundary layer

邊界層,界面層


boundary line

邊界線,邊線,境界線,境界線,分界限線


outer boundary

外邊界


四、參考例句:


We crossed the state boundary at midnight.

我們在午夜穿過了州界。


The ball ran to the boundary.

球朝著邊線滾去。


An exact artificial boundary condition is obtained on a spherical boundary by a constructive method.

同樣,采用構造法在球面上獲得了精確的無反射人工邊界條件。


The river is the boundary between the two countries.

這條河是兩國的分界線。


The fence marks the boundary between my land and hers.

這道柵欄是我的地和她的地的分界線。


A river forms the?boundary?between the two countries.

一條河流成了兩國的分界線。


A river forms the boundary between the two countries.

一條河流成了兩國的分界線。


The boundary between Shanxi and Shaanxi is the Huanghe River.

山西和陜西以黃河為界。


The lane is the boundary of our land from theirs.

那條小路就是我們這片地與他們那片地的分界線。


Blade and vein boundary show more Brown big ill spot.

葉片與葉脈交界處多現褐色大片病斑。