Dentation
n. 齿状, 齿状突起
🗣️ 情景例句
In North America when people meet each other for the first time.
在北美，当人们第一次彼此见面时。
To hold a firecracker
拥有爆竹
Do you want beef or lamb?
您要牛肉还是要羔羊肉？