Much to the disappointment of Harry Potter fans, cloaking a human-sized object at visible wavelengths seems like a long shot.
令哈利·波特迷十分失望的是，使一个人身大小的物体在可见光波段隐身，貌似只是碰碰运气。
2
And it was easier to believe that a human-sized universe was one that might have been brought into being with humanity in mind.
宇宙只是一个如人大小的世界是在人性意志下创造出来的。这样的想法使过去的人感到轻松。
3
The dose of whole table grape powder that was consumed in the study was roughly equivalent to a person eating nine human-sized servings of grapes a day.