这样的法规可以保护消费者免受有害或者危险药品的威胁。Such laws could protect the consumer from harmful or dangerous remedies.脱咖啡因的咖啡仍含一些刺激物和其他可能致癌的有害物质。Decaffeinated coffee still contains some stimulants and other nasties linked with cancer.多不饱和油对...
这种药物通过提高大脑中血清素的含量来产生疗效。The drug works by increasing levels of serotonin in the brain.目前有400万英国人是严格的素食者。Four million Britons are now strict vegetarians.用腰带来装点一件素裙。Use a belt to accessorise a plain dress....
地球的周日自转the diurnal rotation of the earth地球每天的自转the daily rotation of the earth on its axis地球既公转又自转.The earth revolves both round the sun and on its own axis....