19.天坛　 the Temple of Heaven

18.似乎又硬又不友善

　seems hard and unfriendly

17.充当　 act as

16.尖角　 sharp corners

15.传统的建筑材料

　traditional architecture materials

14.违背人们的审美观

　go against people’s feeling of beauty

13.环顾　 look around at

12.人为的居住环境　

the man-made living environment

11.取之于大自然的例子

　take examples from nature

10.古典的中式建筑　

classical Chinese architecture