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。
The plane was then able to rise and it cleared the mountains by 400 feet.
于是飞机可以上升了,它在离山头400英尺的高度飞越了过去。