科普: popular science, popularization of science, abbr. of...
紧密: inseparably close...
药: medicine, drug, substance used for a specific purpose (e.g. poisoning, explosion, fermenting), to poison...
成语: Chinese set expression, typically of 4 characters, often alluding to a story or historical quotation, idiom, proverb, saying, adage...
举措: to move, to act, action, decision, conduct, manner...
迄今: so far, to date, until now...
嘉宾: esteemed guest, honored guest, guest (on a show)...
地面: floor, ground, surface...
枪毙: to execute by firing squad, to shoot dead, to discard, to get rid of...
出门: to go out, to leave home, to go on a journey, away from home, (of a woman) to get married...
