...the OB-GYN department [dɪˈpɑːtmənt] (全称Department of Obstetrics and Gynecology )妇产科the People's Republic of China [ðə ˈpiːplz rɪˈpʌblɪk ɒv ˈʧaɪnə] 中华人民共和国the National People's Congress [ðə ˈnæʃənl ˈpiːplz ˈkɒŋgrɛs] 全国人民代表大会the Nor...
...rəˈpɒlədʒɪst] n. 人类学家 trial [ˈtraɪəl] n.
试验
by trial and error 反复试验(以得出最佳结果) * craftsmanship [ˈkrɑːftsmənʃɪp] n. 手艺;工艺;技艺 * atomic [əˈtɒmɪk] adj.原子能的;核能的 back down 退让,认输 the cutting edge (of sth) (...