Each alliance has at its core a group of carriers which pool their flights in the huge transatlantic market.

每个联盟都有其核心的航空公司组建他们跨大西洋市场的航线。

youdao

Cultured pearls don’t have at their core a grain of sand, but instead arelittle plastic or glass beads or something that pearl farmers stick into theoyster for a year or so.

对于人工养殖的珍珠而言，它们的核心并不是沙粒，而是像小塑料珠或小玻璃珠之类的物体。 珍珠养殖者把这些小东西塞到牡蛎中，然后等上一年左右的时间。

youdao

Edison's bulb is, at its core, a burning filament that casts the glow of a flame.

爱迪生的灯泡，在它的中心，有一个燃烧的灯丝产生火焰的光芒。

youdao

He says many,if not all, of the top American colleges once had a core curriculum a set of courses required for all students.

VOA: special.2009.10.22

Talk a little bit about the work of Interfaith Youth Core and what its basic mission and goals are.

简要谈谈跨信仰青年核心的工作,及它的主要使命和目标吧。

普林斯顿公开课 - 人性课程节选

So, tell me again a little bit about Interfaith Youth Core and some of its goals and some of the ways it carries out those goals.

再谈谈跨信仰青年核心组织,它的一些目标,以及它要实现这些目标所采用的方法吧。

普林斯顿公开课 - 人性课程节选

He was at his core a fearful, law-abiding, overly cautious man, yet he let her walk past him into his apartment without a word.

NEWYORKER: The Valetudinarian

The recession we face has at its core a severe contraction in credit - so we need exceptional policies to get credit moving again.

BBC: In full: Cameron's economy speech

The Internet is bearish for retailing because it is at its core a price-discounting medium, particularly for toys, books and computers, which are easy-to-sell commodities.

FORBES: The Amazon trance