expedite /ˈekspədaɪt/IELTS丨TOEFL丨专八 外刊例句 More than 700 different bacteria are estimated to live in the human mouth. To find out how macking mixes microbes, Dutch scientists asked 21 couples to French kiss. Intimate partners already have more of the same bacteria in their mouths than do unrelated individuals, because of the couple's shared habits and environment. But kissing really expedites the bacterial blending.据预计人类口腔中有700多种截然差别的细菌。为了搞清楚接吻如何将细菌混淆，荷兰科学家们要求21对情侣举行法式接吻。同绝不相干的人相比，拥有配合生活习惯及情况亲密情侣的口腔内已经有许多相同的细菌。
但接吻确实会加速细菌混淆。——《科学美国人》 基本释义 expedite：If you expedite something, you cause it to be done more quickly.v. 加速；促进 追根溯源 单词expedite里的词根ped来自拉丁语pedis，表现“脚”，所以，在英语里包罗ped的单词，多与此相关。
例如：pedal /ˈpedl/ n. 脚踏板pedestrian /pəˈdestriən/ n. 步行者；行人pedicure /ˈpedɪkjʊə(r)/ n. 修脚；美甲expedition /ˌekspəˈdɪʃn/ n. 远足，探险centipede /ˈsentɪpiːd/ n. 蜈蚣，百足虫所以，ex（向外）+ped（脚）+ite（动词后缀）=迈开脚向外面跑→向外跑起来，加速，加速。
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