I also talked last time about smallpox and the perceived need to produce more smallpox vaccine in the event that smallpox is used as a weapon in 2002.

上次我也谈论过了天花,以及在二零零二年天花被当作武器使用时,制造出更多天花疫苗的必要性

耶鲁公开课 - 生物医学工程探索课程节选

However, there are light arm troops made up of those too poor to be in the phalanx, who do use projectiles and the projectiles are arrows, javelins, or stones thrown by slings.

然而的确有轻装部队,由没法进入方阵的穷人组成,他们使用投掷武器,包括弓箭,投枪,或者绳索绑着的石头

耶鲁公开课 - 古希腊历史简介课程节选