1.
a hollow wall; a hollow tree; hollow cheeks; his face became gaunter and more hollow with each year.
中空的墙；空心树；凹陷的脸颊；他的脸日渐憔悴和凹陷。
2.
hunger gave their faces a sunken look.
饥饿使他们的脸凹陷了下去。
3.
His cheeks were sunken and his cheek-bones prominent.
他脸颊凹陷，颧骨突出。
4.
Now her face showed thin, and her large eyes looked hollow.
现在，她的脸瘦了，那双大眼睛显得凹陷了。
5.
The degree of concavity in such a depression.
凹陷，凹度这种凹陷的程度
6.
She was tall, with a high, sad face sunken a little where her teeth were missing.
她身材高大，脸上带着茫然忧伤的神色，牙齿落掉的部位略微凹陷。
7.
A small natural indentation in the flesh on a part of the human body, especially in the cheek or on the chin.
酒窝在身体某一部分（特别在脸颊或下颚处）的天然凹陷
8.
In those two compressions, or dints, the only little change that the face ever showed, resided.
而他那脸上仅有的变化却正表现在那凹陷之处（或叫鼻翼小窝）。
9.
A slight depression or indentation in a surface.
凹痕表面上轻微的下陷或凹陷
10.
sunken cheeks
下陷[消瘦]的脸颊
11.
His cheeks were sunken from hunger.
他的面颊因饥饿而凹陷。
12.
a sag in the seat of the chair
椅子座位部分的凹陷.
13.
a sunken or depressed engraving or carving.
一种凹陷的雕版或雕刻。
14.
a concavity in a surface produced by pressing.
由于挤压而形成的凹陷。
15.
Her eyes have sunk.
她的眼睛凹陷下去了。
16.
biconcave:Concave on both sides or surfaces.
两面凹的:两侧或两面凹陷的。
17.
An indented or concave surface or area.
凹陷，洼地凹的表面或地区
18.
A small cavity or depression, as in a bone.
窝，凹骨头中的小窝或凹陷