動詞 prostrate:

1. get into a prostrate position, as in submission
   同義詞：bow down
2. render helpless or defenseless
3. throw down flat, as on the ground

形容詞 prostrate:

1. stretched out and lying at full length along the ground
   同義詞：flat
2. lying face downward
   同義詞：prone

1. The illness left her prostrate for several weeks.
   這場病把她拖倒了幾個星期。
2. She was prostrate with grief.
   她因悲痛而一蹶不振。
3. They prostrated themselves before the king.
   他們拜倒在國王的腳下。

pros.trate

v.tr.（及物動詞）
pros.trat.ed,pros.trat.ing,pros.trates
To make (oneself) bow or kneel down in humility or adoration.
使（自己）拜倒：使（自己）謙恭或崇敬地鞠躬或跪倒
To throw down flat.
擺平：使倒下；使平臥
To lay low; overcome.
使屈服
adj.（形容詞）
Lying face down, as in submission or adoration.
俯伏的：面朝下躺著，好象是屈服或崇拜
Lying down at full length.See Synonyms at prone
平臥的：平直的躺下參見 prone
Physically or emotionally incapacitated; overcome.
崩潰的：身體或感情上沒有能力的；被征服的
Botany Growing flat along the ground.
【植物學(xué)】 匍匐性的：沿著地面平直地生長的

來源：
Middle English prostraten
中古英語 prostraten
from prostrat [prostrate]
源自 prostrat [伏地的]
from Latin prôstr3tus [past participle of] prôsternere [to throw down]
源自 拉丁語 prôstr3tus [] prôsternere的過去分詞 [扔下]
pro- [forward] * see pro-
pro- [向前] *參見 pro-
sternere [to spread, cast down] * see ster- 2
sternere [張開，摜下] *參見 ster- 2

【引伸】
pros.tra.tor
n.（名詞）