That being said, it's been found that musicians brains have more grey matter, more neuroplasticity, altered white matter, and sometimes a more symmetrical firing pattern!

话虽如此，人们发现音乐家的大脑有更多的灰质、更多的神经可塑性、改变的白质，有时还有更对称的发射模式！

The door of the archway was made of solid oak, brown, shrunken, and split in many places; though frail in appearance, it was firmly held in place by a system of iron bolts arranged in symmetrical patterns.

拱门的门是实心橡木做的，褐色，皱缩，多处开裂；虽然外观脆弱，但它被对称排列的铁螺栓系统牢牢固定在适当的位置。