长半衰期的秘诀是甲基类固醇，使甲基Masterdrol如此强大和有效的。
Longer half life is the secret of Methyl steroids and makes Methyl Masterdrol so potent and effective.
由于镉有不可降解性和极长半衰期的特性，镉污染对动物健康已经构成了巨大的潜在性威胁。
Additionally, due to the undegradability and long half-times, cadmium will throw great threat on animal health.
Pichichero说，“直到最近，长半衰期仍被认为是各种类型的汞所普遍具有的。”
"Until recently, that longer half-life was assumed to be the rule for both types of mercury," Pichichero said.
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