deplete
vt.耗盡,使衰竭(exhaust)
I always replenish my food supply before it is depleted.
我總是在食物耗盡之前補充食物。
ebb
vi.衰退(decay)
The water washed up on the shore, then slowly ebbed away.
水被沖上海岸,然后慢慢消退。
enervate
vt.使衰弱(enfeeble, weaken)
The dullness of the lecture as well as the heat of the day enervated the students, who were all too tired.
講座的乏味和天氣的悶熱使學生們感到疲倦,他們太累了。
languish
vi.變衰弱 (wither, fade)
The prisoners have been languishing for years in the dungeon.
囚犯們在地牢里苦苦思念多年。
debility
n.虛弱,衰弱
After operation, it seems that the old man was still in debility and had not recovered yet.
手術后,老人似乎仍然虛弱無力,還沒有恢復。
feeble
adj.虛弱的,衰弱的 (weak, frail)
I felt feeble when I was ill.
我生病時感到很虛弱。
decay
n./vi.腐朽,腐爛;衰減,衰退
Dentists advise their patients to brush and floss regularly to prevent their teeth from decaying.
牙醫建議他們的病人定期刷牙和用牙線潔牙,以防止牙齒腐爛。
wither
vt.(使)枯萎,調謝 (deteriorate)
The flowers withered in the cold.
花在寒冷中枯萎了。
recessionary
adj.(經濟)衰退的,衰退期的
wane
n./v.(月)缺 ; 袞落(abate, diminish, lessen)
The tide was near the turn and already the day was on the wane.
潮水快轉向了,一天已經過去了。