词根词缀：pre-, prae-
【来源及含义】Latin: before [both in time and place]
【相关描述】The prefix prae- can actually be substituted for pre- because both of them are different spellings for the same prefix meaning "before".
【相关词根词缀】 Related before-word units: ante-; antero-; anti-; pro-. Related "time" units: aevum, evum; archaeo-, archeo-; Calendars; chrono-; horo-; Quotes: Time; tempo-.
【同源单词】preacquaint, preacquaintance, preagonal, pre-agricultural, preamble, preambular
词根词缀：sci-, -science, -scientific, -scientifically, -scient, -sciently
【来源及含义】Latin: to know, to learn; knowledge
【相关词根词缀】 Related articles about science: "Science Race"; STEM, Part 1; STEM, Part 2; Scientific Specialties. Inter-related cross references, directly or indirectly, involving word units meaning "know, knowledge; learn, learning": cogni-; discip-; gno-; histor-; intellect-; learn, know; math-; sap-; sopho-.
【同源单词】agricultural science, artes, Artes, attoscience, biobehavioral sciences, bioscience