One cup of kale (boiled, but not overcooked) gives you double the DV for vitamin A. You'll also get some vitamin C, a small amount of B vitamins and a generous amount of calcium.

一杯甘蓝（煮的，但不要煮过头）能带给您一天所需维生素A量的两倍。 您还能获得一些维生素C 和小部分的维生素B，以及大量的钙元素。

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B: My name is John Stewart. I'd like to reserve a double room for next Friday.

乙：我叫约翰·史都华，我想在下周五订一间双人房。

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To illustrate this, suppose you have two double arrays a and b and want to create a third array x such that x=a+b.

为了展示这一点，假设您有两个双精度的数组 a 和 b，并且要创建第三个数组 x，比如 x=a+b。

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In this case we have a double bond between a and b, and in this case we have it between b and c.

在这种情况下，我们在，A，与，B，之间有一个双键，而在这种情况下，双键在，B，与，C，之间。

麻省理工公开课 - 化学原理课程节选

The split voice, the development of what you could say is that racial double consciousness that W. E. B. Du Bois talks about, that double consciousness of the racial reality, is manifested in that split in the narrative.

在双重叙述中,双重语气表现了出来,这就是W。，E。，B，Du，Bois所说的，种族双重意识，的发展。

耶鲁公开课 - 1945年后的美国小说课程节选

Typical double-B Cat bonds have rates five points above Libor, compared to three to four for corporate bonds.

FORBES: Catastrophe Bonds

It is mostly higher-rated paper with 28 of the combined 31 deals carrying at least one double-B rating.

FORBES: In low-rate environment, more "high yield" bond issuers forge into 4% territory

In a see-saw motion, deals with at least one double-B rating fell from 39% of the total in September to just 15% last month while those with at least one triple-C rose to 33%, from 24%.

FORBES: Connect