宇宙学模型提供了星相学的哲学原理.Modern cosmological models addressuniverse was from the Big Bang.宇宙学的红移并不是平常的都卜勒偏移.The cosmological redshift is not a normal Doppler shift.卡尔·萨根用他的著述普及了宇宙学.Carl Sagan popularized cosmology in his books....
一细的尖头金属,用于楔入某物,如图钉.A slim, pointed piece of metal hammered into material as a fastener.由压缩铝管制成,可以张开并楔入保护点.Made of telescoping aluminum tubes that expand and wedge in place.鞋底坡跟处楔入与鞋面颜色相匹配的夹层,这一别样的点缀与鞋面相得益彰.Fun colors pop...