Dentes fixi
[医] 恒牙
🧩 词语组成解析
齿状部份
🗣️ 情景例句
Well, he's asleep--finally.
好了， 他终于睡着了。
My brothers must help with the house work at home.
我的兄弟在家里必须帮忙做家务。
Not a sound was heard.
一点声音也没有。