期: a period of time, phase, stage, classifier for issues of a periodical, courses of study, time, term, period, to hope...
仇: enemy; foe...
感染力: inspiration, infectious (enthusiasm)...
首席: chief (representative, correspondent etc)...
摄影师: photographer, cameraman...
姥姥: (coll.) mother's mother, maternal grandmother...
群体: community, colony...
顾不上: cannot attend to or manage...
吵架: to quarrel, to have a row, quarrel...
植物: plant, vegetation...