株 zhū HSK7 tree trunk Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: strain All meanings 13 zhū 13 plant 10involve 1strain 1stump 1 1 sentence for 株 (zhū — strain) 这种新型变异株的传染力比之前更强。 zhè zhǒng xīnxíng biànyì zhū de chuánrǎnlì bǐ zhīqián gèng qiáng. The infectivity of this new variant strain is even stronger than before. Source: Dong Chinese Dictionary