Yabla video uses of 致命

这些 zhèxiē
孢子 bāozǐ
zài
体内 tǐnèi
迅速 xùnsù
成长 chéngzhǎng
wèi
致命 zhìmìng
de
病原体 bìngyuántǐ
These spores quickly turned into fatal pathogens in his body.