black sample

基本解释

Application: black non ferrous alloy wire, sample, tube, etc.
用途：黑色有色金属的线材、样材、管材拉拨用模具。
Nas went so far as to sample Obama for his Black President track which called for an end to police harassment.
Nas甚至把奥巴马的声音取样到自己的歌《黑人总统》(Black President)中，这首歌要求让来自警察的侵扰得到结束。
Assistant: Yes, if you purchase at least 50 yuan of any AVON product, you will receive this black bag with a sample of lipstick, mascara and lotion.
店员：有啊。如果您购买雅芳产品超过50元，您就可以得到这个黑色的袋子作为赠品，里面有试用装口红、睫毛膏和乳液。这个包是防水的，您拿到哪儿用都可以。

Unlike most polls, it has a large sample of black people, in addition to whites and Hispanics.
NPR: Redefining What It Means to Be Black in America
How can anyone believe you will plug a blood sample in a black hole and expect an answer.
FORBES: A First Critique Of My DNA Sequencing Story
On average, the Asian Americans in the sample had 0.69 long genes, the black Americans had 1.47 and the white Americans had 1.12.
ECONOMIST: The genetics of happiness