Now, we're doing something new making skin strong enough that it doesn't wrinkle, become dry, or develop blemishes.
现在我们正在做一些改进,使皮质变得坚韧而不致有皱纹,变干或产生磨损。
It is one of the world's most important languages because it is so widely used.
英语使用得如此广泛,它已成为全球最重要的语言之一。