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've mailed off several applications for jobs that interest me.
我已经寄出了几份求职材料，应聘我感兴趣的职位。
I like dressing up in old-fashioned clothes.
我喜欢穿着老式的服装。
There were hopes, however, that the problem of the rabbit would become manageable.
但是，已有希望解决兔子所带来的问题。