一模一样: exactly the same (idiom), carbon copy, also pr....
数学: mathematics, mathematical...
粒: grain, granule, classifier for small round things (peas, bullets, peanuts, pills, grains etc)...
大哥: eldest brother, big brother (polite address for a man of about the same age as oneself), gang leader, boss...
笼子: cage, basket, container...
张贴: to post (a notice), to advertise...
人民: the people...
偏方: folk remedy, home remedy...
打通: to open access, to establish contact, to remove a block, to put through (a phone connection)...
哥哥: older brother...
