動詞 deplete:

1. use up (resources or materials)
   同義詞：consume, eat up, use up, eat, exhaust, run through, wipe out

1. Our stock of food is greatly depleted.
   我們的食物儲備已消耗殆盡。
2. This expense has depleted our funds.
   這筆花費已使我們的資金所剩無幾。

de.plete

v.tr.（及物動詞）
de.plet.ed,de.plet.ing,de.pletes
To decrease the fullness of; use up or empty out.
消滅，用光：降低…的充滿度；用完或用光

來源：
Latin dôplôre dôplôt- [to empty]
拉丁語 dôplôre dôplôt- [消耗完，倒空]
dô- [de-]
dô- [前綴，表.轉(zhuǎn)移.]
plôre [to fill] * see pel…-
plôre [填滿] *參見 pel…-

【引伸】
deplet.able
adj.（形容詞）
<參考詞匯><同義詞>deplete,drain,exhaust,impoverish,enervateThese verbs all mean to weaken severely by removing something essential.
這些動詞都意味著通過移走基本的東西使嚴重削弱，
Deplete refers to using up gradually and only hints at harmful consequences:
Deplete 指逐漸用光，并且僅暗示有害的后果：
例句：
I always replenish my food supply before it is depleted.
我總是在我的食物吃完之前加以補充。

Drain suggests reduction by gradual drawing off and is stronger in implying harm:
Drain 意指通過逐漸消耗而減少，強調(diào)危害性：
例句：
War often drains a nation`s economy.
戰(zhàn)爭經(jīng)常耗盡一個國家的經(jīng)濟。

Exhaust stresses reduction to a point of no further usefulness:
Exhaust 強調(diào)減少到不再有用的地步：
例句：
.The resources of civilization are not yet exhausted. (William Ewart Gladstone).
.文明的源泉永遠不會枯竭. （威廉姆·愛德華·哥萊德斯托恩）。

Impoverish refers to severe reduction of resources or qualities essential to adequate functioning:
Impoverish 指資源和性質(zhì)嚴重減少到最基本的程度：
例句：
.His death has eclipsed the gaiety of nations, and impoverished the public stock of harmless pleasure. (Samuel Johnson).
.他的死給全國的歡樂投上陰影，也使公眾再也無法享受無害的歡樂. （塞繆爾·約翰遜）。

Enervate refers to weakening or destruction of vitality or strength:
Enervate 指活力或力量上的變?nèi)趸驌p傷：
例句：
Idleness enervates the will to succeed.
懶惰削弱了成功的決心