当我走进一家药店，看到货架上摆满了各种维生素、提取物和其他补充剂，它们都承诺能加快或促进减肥效果，对此我总是感到困惑。
I'm always baffled when I walk into a pharmacy and see shelves bursting with various vitamins, extracts and other supplements, all promising to accelerate or promote weight loss.
由蚕丝提取成份丝素肽及各种名贵草药，润肤剂等多种成份精制而成。
Made of silk peptide and rare Chinese herbs. It can be absorbed quickly and have good moisturizing effect on skin.
采用连续提取法对土壤中砷的化学形态进行分析研究，比较加入不同改良剂时砷的各种形态含量的变化。
A continuous extraction method was adopted to analyze the chemical forms of arsenic (as) in soil, and the content change of as with different forms were compared when the additives were added.
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