Today's Sentence
Video not in English?They're essential not only to human health but to the health of the crops we grow and to the creation of industrial products.
Original Video:Bacteria Can Tell Time...Wait, What?!
Key Vocabulary
1. essential
essential
[ɪˈsen.ʃəl](adj.)

molly7 months ago
lily jiang 6 months ago
Eason Lee (EasonLee)6 months ago
soleilwang01177 months ago
HuyHoangz7 months ago
Jade7 months ago
CHAOYU CHU7 months ago
Belle7 months ago
Ngoc Giau Dang (Rico)7 months ago
Derek Chang7 months ago