1. Exercising power is the most effective short-range anti-depressant in the world. 在短时间内，行使权力是世界上最有效的抗抑郁的良剂。
2. Any risk of freezing is avoided by addition of an approved freezing point depressant. 任何冻结危险均经过添加批准使用的冰点抑制剂得以避免；
3. The transport capacity can be increased by adding depressant in waxy crude oil to be delivered. 在含蜡原油的输送中，添加降凝剂可提高输送能力，节约能源。
英英解释
n.
1. a drug that reduces excitability and calms a person
2. capable of depressing physiological or psychological activity or response by a chemical agent
