名詞 emperor:

1. the male ruler of an empire
2. red table grape of California
3. large moth of temperate forests of Eurasia having heavily scaled transparent wings
   同義詞：emperor moth, Saturnia pavonia
4. large richly colored butterfly
   同義詞：emperor butterfly

1. He knelt in front of the emperor with a look of entreaty.
   他面帶懇求的神態(tài)跪在皇帝面前。
2. The emperor was actually a political eunuch.
   那個(gè)皇帝實(shí)際上沒有政治實(shí)權(quán)。
3. The emperor conferred a title on the brave soldier.
   皇上授予這勇敢的士兵一頭銜。
4. The general overthrew the last emperor of that country and established a public.
   將軍推翻了那個(gè)國家的最后一個(gè)皇帝，建立了共和國。
5. He was a despotic emperor.
   他是一個(gè)暴君。
6. That emperor was a cruel despot.
   那個(gè)皇帝是個(gè)殘酷的專制君主。
7. The emperor was a tyrant.
   那皇帝是個(gè)暴君。
8. Napoleon called himself Emperor of the French.
   拿破侖自稱為法國皇帝。

em.per.or

n.（名詞）
Abbr. emp.The male ruler of an empire.
縮寫 emp.帝王，皇帝：帝國的男性統(tǒng)治者

The emperor butterfly.
麗蝶，蛺蝶
The emperor moth.
天蠶蛾

來源：
Middle English emperour
中古英語 emperour
from Old French empereor
源自 古法語 empereor
from Latin imper3tor
源自 拉丁語 imper3tor
from imper3re [to command]
源自 imper3re [命令]
in- [in] * see en-
in- [在…里] *參見 en-
par3re [to prepare] * see per…-
par3re [準(zhǔn)備] *參見 per…-

【引伸】
em.perorship.
n.（名詞）