Maxillary buccal frenum
[医] 上颌颊系带
🧩 词语组成解析
a. 颌的, 上颌骨的\\nn. 上颌骨
a. 颊的, 口的, 口腔的\\n[医] 颊的
n. 系带\\n[医] 系带
🗣️ 情景例句
In the Spring and Autumn period, copper and iron chopsticks came into being.
在春秋时代又出现了铜制和铁制的筷子。
To have a girl friend
有女朋友
A day may begin well enough, but suddenly everything seems to get out of control.
一天开始时，可能还不错，但突然间似乎一切都失去了控制。