Gao zhong wu li shi yan=: Zi ran ke zu/. Xia ce. Gao zhong wu li shi yan=: Zi ran ke zu/. Shang ce. Gao zhong wu li shi yan=: She hui ke zu/. Xia ce. Gao zhong wu li shi yan=: She hui ke zu/. Shang ce. Gao zhong hua xue shi yan=: She hui ke zu/. Shang ce. Hua xue shi yan=: Zi ran xue ke zu/. Xia ce. Na hui wu li shi yan zhi dao/. Di si ce. Na hui wu li shi yan zhi dao/. Di wu ce. Hua xue shi yan=: Zi ran xue ke zu/. Shang ce.