The syllabus (二) Words and expressions: 1. commandeer [,kɒmən’dɪə] v. 征用;霸占 e.g.: The local hotel was commandeered for the wounded. 2. Back and forth 反复地;来回地 3. asthma [‘æsmə] n. 哮喘 4. labor n. 劳动;v. 苦干;努力 Labor Day 劳动节 labor force 劳动力 labored adj. 费力的;吃力的 5. A burst of 一阵 A burst of laughter 一阵欢笑 adrenalin [əˈdrɛnələn] 肾上腺素 6. stumble ['stʌmb(ə)l]v. 蹒跚;绊倒 7. inexplicably [in’eksplikəbli] adv. 说不清地; 难以理解地 8.startle ['stɑːt(ə)l] v. 使惊奇;使吓一跳 eg: I am startled to see you 9. weary ['wɪərɪ] adj. 疲倦的;厌烦的 eg: be weary of doing sth 对..厌倦了 10. biopsy[‘baɪɒpsɪ] n. 活组织检查 11. calf n. 小腿(肚) 12. neurological [,njʊərə'lɒdʒɪkl] adj. 神经学的 13. zap v. (用电流)攻击;快速推动