| 51. | to study a subject in depth |
| 深入研究一科目
|
| 52. | in the depth of winter |
| 在隆冬
|
| 53. | develop in breadth and depth |
| 向广度和深度发展
|
| 54. | a depth bomb |
| 深水炸弹
|
| 55. | at the bottom [in the depth ] of one's heart |
| 心底里
|
| 56. | the exploration of the ocean depth |
| 海深之探测
|
| 57. | in the stillness [ depth ] of the night |
| 夜阑人静时
|
| 58. | depth perception |
| （心）深度知觉
|
| 59. | lack depth |
| 缺乏深度；内容肤浅
|
| 60. | measure the depth to which the bullet had penetrated the flesh |
| 测量子弹穿入皮肉的深度
|