今天我们要学的词是 transmission. Transmission 做为名词，有传染的意思。Cuba became the first country to receive WHO's seal of approval for essentially eliminating transmission of HIV from a mother to her baby. 古巴成为第一个得到世界卫生组织肯定的，基本杜绝艾滋病病毒母婴传染的国家。An international research team received $1.35 million to study the transmission of avian flu from birds to humans. 一个国际科研小组得到135万美元的研究资金，考查禽流感在禽类和人体间的传播。好的，今天我们学习的词是 transmission, transmission, transmission...