后发星系团及其它星系团的许多星系是椭圆星系，而星系团外面的许多星系是旋涡星系。
Most galaxies in Coma and other clusters are ellipticals, while most galaxies outside of clusters are spirals.
这一发现以及其它相关发现都表明，药物上瘾可能会钝化大脑的奖励系统，对上瘾者来说，日常生活中的快乐根本不能和毒品相提并论。
This finding and others like it suggest that drug addicts may have blunted reward systems in the brain, and that for them everyday pleasures don't come close to the powerful reward of drugs.
这款“头巾”是一种非常华丽的发饰，上面可以插羽毛、珠子、花朵、以及其它的别致装饰。
The fascinator is a particularly ornate hair accessory that can feature feathers, beads, flowers and other fancy trimmings.
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