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
Governments wage a constant war against counterfeiting.
政府掀起持久的打假活动。
Hardships never come alone.
祸不单行。
These alone took sixteen months to build.
仅这两座塔就花了16个月才建成。