Definition (成長)
To grow a new tooth; usually referring to babies.
( 嬰兒 ) 長出新牙。
The baby is cutting a tooth, which explains why she's been so fussy.
寶寶正在長牙，這解釋了為什麼她最近這麼煩躁。
It seems my niece is cutting a tooth; she's constantly trying to bite things.
看來我的姪女在長牙；她一直試著咬東西。
Babies often have trouble sleeping at night when they are cutting a tooth.
嬰兒在長牙時通常晚上會睡不好。