BACKGROUND and AIM: to study the acute toxicity and genotoxicity of pearl anti-spot cosmetic slice.

背景与目的：研究珍珠祛斑美容片的急性毒性和遗传毒性。

youdao

BACKGROUND AND AIM: To investigate the toxicity in SD rats fed continuously with monascus yellow pigment.

背景与目的：了解红曲黄色素对机体是否具有毒性作用。

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BACKGROUND and AIM: We studied the mutation effects of sodium sulfite and sodium nitrite in root tip cells of Vicia faba.

背景与目的：研究亚硫酸钠和亚硝酸钠对蚕豆根尖细胞的致突变作用。

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Espaillat, 57, who would have been the first Dominican-American to serve in the House, used his background to court Latino votes and take aim at the 82-year-old Rangel over his long tenure in Washington and his ethics abuses.

CNN: Rangel as resilient as Harlem-area district he represents

He said their aim was to find a talented student from a "humble background" and provide them with the "best education possible".

BBC: Suffolk