界的英语怎么说

界的英文：
boundary
scope
extent
circles
group
kingdom (taxonomy)

参考例句：

• The sporting world
  体育界,运动界

• Ireland borders the Atlantic Ocean
  爱尔兰以大西洋为界。

• Li shizhen was the originator of the Chinese pharmacology.
  李时珍是我国医药界的鼻祖。

• The playing area is demarcated by a white line.
  运动场地以白线为界.

• He has come rather to the front lately in the French detective service.
  他最近在法国侦探界里崭露头角。

• Religious cults and priesthoods are sectarian by nature
  宗教崇拜和僧侣界天然就有派性。

• The posterior borders of the left ventricle and inferior vena cava are well seen
  左心室和下腔静脉的后界看得很清楚。

• Mrecator might be used by a geologist mapping current directions in palaeozoic sediments
  地质学家可用麦卡托投影来绘制古生界沉积的水流方向。

• officialdom.
  官场，公务员界

• fields bordered by woods
  以树林为界的田野

boundary是什么意思：
n. 边界；范围；分界线

• Boundary is used with administrative areas smaller than a state or country boundary
  用于指行政区域,范围比国家小

• 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。

• There are no indecisive boundaries between the two opinions.
  这两种意见界线分明。

scope是什么意思：
n. 机会，余地；范围，领域；眼界，见识；望远镜

• Beyond the scope
  越出范围

• But there is plenty of scope at that level.
  然而在此水平上还是有足够的余地。

• He is a man of limited scope.
  他是一个见地狭窄的人。

extent是什么意思：
n. 广度，长度，宽度；范围，程度，限度

• Determination of the Extent of Branching in Amylopectin
  支链淀粉分支程度的测定

• He loves you to a great extent.
  他很爱你。

• To that extent, Mr Sharon was no“ aberration”.
  由此看来，沙龙先生所作所为并非不循常理。

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