Gingival trough
[医] 龈沟
🧩 词语组成解析
a. 齿龈的\\n[医] 龈的
trough
['trɔ:f]
n. 水槽，食槽;低谷期;[航]深海漕;[气]低气压槽;
🗣️ 情景例句
Have the fittings here, too.
也在这里试穿。
Poverty and hunger drove them to steal.
贫穷和饥饿迫使他们偷窃。
We also hope to expand our business with you.
我们也希望与贵公司扩大贸易往来。