1. Now, if we want to move that boulder, we have machines. ���ڣ����������ǿ��ʯͷ�����ǿ������û�����
2. A city of northern Colorado north-northeast of Boulder. It is a trade, shipping, and processing center. Population, 87, 758. λ��������������Ͳ����¶���ƫ���ij��У���ó�ס����˺�ԭ�ϼӹ����ġ��˿�87��758��
3. Take one part Boulder Dash, one part some other games that will be on the tip of your tongue as you play, throw them all in a pot, stir and simmer. �����Ǹ��Ľ�ɫ��ʯͷ���ܣ�һ�����ǽ��ڼ�����ͷ���������࣬������ȫ��Ͷ��һ�ޣ��������е�ʱ��һЩ����������
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n.
1. a large smooth mass of rock detached from its place of origin
2. a town in north central Colorado; Rocky Mountains resort center and university town