depress
/dɪˈpres; dɪ`prɛs/ v[Tn]
1 make (sb) sad and without enthusiasm 使（某人）忧愁, 消沉, 沮丧
Wet weather always depresses me. 我在阴雨天总是心灰意懒.
2 press, push or pull (sth) down 将（某物）压下, 推下, 拉下
depress a lever, a piano key, a button, etc 压杠杆、 按钢琴键、 按钮.
3 make (esp trade) less active 使（尤指贸易）不活跃, 不景气, 萧条
depress a market 使市场萧条
depress sales 使销售额下降
A rise in oil prices depresses the car market. 油价上涨导致汽车市场不景气.