流行株

epidemic strain

to flow / to disseminate / to circulate or spread / to move or drift / to degenerate / to banish or send into exile / stream of water or sth resembling one / class, rate or grade

(of a contagious disease etc) to spread / to propagate / (of a style of clothing, song etc) popular / fashionable

row / line / commercial firm / line of business / profession / to rank (first, second etc) among one's siblings (by age) / (in data tables) row / (Tw) column

to walk / to go / to travel / a visit / temporary / makeshift / current / in circulation / to do / to perform / capable / competent / effective / all right / OK! / will do / behavior / conduct / Taiwan pr. [xing4] for the behavior-conduct sense

tree trunk / stump (tree root) / a plant / classifier for trees or plants / strain (biology) / to involve others (in shady business)