Mr Thomas was suffering from depression.

托马斯先生当时患有抑郁症。

Any prolonged or severe depression should receive professional treatment.

任何长期或严重的抑郁症都应接受专业治疗。

He never forgot the hardships he witnessed during the Great Depression of the 1930s.

他从未忘记20世纪30年代经济大萧条时期他所目睹的艰辛。

an area pockmarked by rain-filled depressions.

一个到处都是雨水洼的地区。

To the northwest lies a depression with clouds and rain.

西北方向有一个云雨密布的低气压。