Before long, narrow, and the central front wing a white semicircle spot, wing top have a dark brown diagonal lines.

前翅狭长，前缘中央有一白色半圆形斑，翅顶有一暗褐色斜线。

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Still, during this particular night, skygazers in South and Central America could even watch the 5 day old Moon occult or pass in front of some of the brighter Pleiades stars.

不过，在这个特殊的夜晚，中美洲和南美洲的观星人能看到月掩星的天象，月球掩或曰从昴星团的某些亮星前面经过。

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The architecture consists of a Front Controller which ACTS as the central point for receiving requests and providing response to the clients.

该架构包括Front Controller，作为接收请求并向客户端提供响应的中心点。

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My central concern for India is that a large majority of Indians may not be benefit in front of this growth.

我最关心的问题是,面对经济的飞快发展,大多数印度人可能无法获益。

普林斯顿公开课 - 国际座谈会课程节选

For almost a decade, Afghanistan has been a central front of these efforts.

WHITEHOUSE: President Obama Addresses the British Parliament

Obama has called Afghanistan and neighboring Pakistan the "central front in our enduring struggle against terrorism and extremism, " and, since taking office in January, he has promised to send 21, 000 more troops to Afghanistan.

CNN: Changing course in Afghanistan

As he mentioned throughout the campaign, the need -- having taken our eye off of the central front in this battle, taken our eye off of that, that we needed to increase our military commitment.

WHITEHOUSE: White House Press Briefing