制造商正在研制价格更便宜的新一代数字收音机。Manufacturers are working on a new generation of cheaper digital radios.有3种新产品是以传统的草药为基础研制的。Three of the new products are based on traditional herbal medicines.盼望有一天有人会研制出一种能有效预防疟疾的疫苗。Roll on the da...
干性的沉积物指的是酸性气体和颗粒.Dry deposition refers to acidic gases and particles.如果皮肤是干性的, 她说, 每个皱纹都会很显眼, 让你显得更老.When skin is dry, says Narins, every wrinkle accentuated, making you look older....