Yabla video uses of

所以 suǒyǐ
发明 fāmíng
le
第一 dìyī
zhī
有效 yǒuxiào
fáng
zhù
de
hán
牙膏 yágāo
So, it created the first fluoride toothpaste effective against cavities.
全新 quánxīn
绿茶 lǜchá
口味 kǒuwèi
qiáng
xiào
fáng
zhù
New green tea scented, powerfully preventing cavities.