大学英语课件2- animal research.ppt

文档介绍：Unit 2 Animal Research is Vital to Medicine Vocabulary Alleviate [ ? 'li:v ?e? t] vt. 减轻,缓和? A g reat deal c an be done to alleviate back pain. Ailment [ ?e? lm? nt] n. 小病;不安 Is but one of 仅是之一 Allot [ ? 'l? t] vt. 分配;拨给;分派? Be a llotted to ? You should allot more time to English learning. Debilitate [d ?'b?l? te? t] vt. 使衰弱;使虚弱? Working all day long would debilitate our body. ? You are debilitated by your illness. Derangement [di'reind ?m? nt] n. 精神错乱,发狂 Derive from 来自于? Many English words derive from Latin . Contaminant [k ?n?t?m?n? nt] n. 污染物;致污物 Cholera [ ?k?l?r?] n. 霍乱 Anthrax [ ??nθr? ks] n. 炭疽,炭疽热 C ausative [ ?k? :z?t? v] adj. 成为原因的;惹起…的? Causative factors are ones which are responsible for causing something. ? The causative factors may be the changing weather and our polluted air.