目前，30%的爬行动物、鸟类和鱼类面临灭绝的危险。30 percent of reptiles, birds, and fish are currently threatened with extinction.我是献血者，我不能冒任何接触传染的危险。I'm a blood donor; I can't risk any contagion.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 co...
After the 1960 s, China began to inoculate BCG, pertussis, diphtheria, tetanus, measles and poliomyelitis vaccines.六十年代后, 中国开始在大、中城市接种卡介苗 、 百日咳 、 白喉 、 破伤风 、 麻疹、脊髓灰质炎的疫苗的工作.Recent studies suggested that erythromycin may b...
Humidifier function from Elvan water filter provides optimal humidity control that mimics humidity from wet laundry.淡英斑岩滤水器具有增湿功能,能模仿湿洗时的环境湿度,控制到最佳水平....