動詞 depress:

1. lower someone's spirits; make downhearted
   同義詞：deject, cast down, get down, dismay, dispirit, demoralize, demoralise
2. lower (prices or markets)
3. cause to drop or sink
   同義詞：lower
4. press down
   同義詞：press down
5. lessen the activity or force of

1. I feel depressed.
   我感到沮喪。
2. He was depressed by his defeat.
   失敗讓他沮喪。
3. The threat of war has depressed business activity.
   戰(zhàn)爭的威脅使經(jīng)濟(jì)蕭條。
4. The thought of having to take the exam again depressed me.
   想到還需重新考試，我就感到沮喪。
5. Depress this button to rewind the tape.
   按下這個按鈕倒帶。

de.press

v.tr.（及物動詞）
de.pressed,de.press.ing,de.press.es
To lower in spirits; deject.
使沮喪，使灰心：沮喪，情緒低落；使氣餒

To cause to drop or sink; lower:
使消沉，使沉落：使掉下，使沉沒；使降低：
例句：
The drought depressed the water level in the reservoirs.
干旱使水庫的水面降低

To press down:
（正式）壓下，壓：壓下：
例句：
Depress the space bar on a typewriter.
按下打字機(jī)上的空格鍵

To lessen the activity or force of; weaken:
削弱：降低積極性或力量；使虛弱：
例句：
feared that rising inflation would further depress the economy.
擔(dān)心不斷上升的通貨膨脹會進(jìn)一步削弱經(jīng)濟(jì)

To lower prices in (a stock market).
使跌價：（在股票市場中）降低價格

來源：
Middle English depressen [to push down]
中古英語 depressen [壓下]
from Old French depresser
源自 古法語 depresser
from Latin dôprimere dôpress-
源自 拉丁語 dôprimere dôpress-
dô- [de-]
dô- [前綴，表.降低.]
premere [to press] * see per- 4
premere [壓] *參見 per- 4

【引伸】
depress.ible
adj.（形容詞）