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
I wonder how he is making out in his new job.
不知他新工作做得怎么样。
Let me go.
让我走。
Perhaps we van make it later.
那么，也许改天吧。