growth hormone
noun [ C ] biology, chemistry specialized uk/ˈɡrəʊθ ˌhɔː.məʊn/ us/ˈɡroʊθ ˌhɔːr.moʊn/
生长激素（促进动植物生长的激素）
a hormone (= chemical made by living cells) that helps an animal or plant to grow
Scientists have warned that the use of growth hormones to make cattle grow more quickly may result in a health risk for consumers. 科学家警告说，催牛长大的生长激素可能有害消费者的健康。