出牙

tā bāi le yī kuài cuì bǐng gān gěi zhèng zài chū yá de jiǎ xīn tǎ

她掰了一块脆饼干给正在出牙的贾辛塔。

She broke off a bit of rusk and gave it to Jacinta, who was teething.

dòng wù chū yá

动物出牙

an animal grows a tooth