名詞 cis-:

1. an alliance made up of states that had been Soviet Socialist Republics in the Soviet Union prior to its dissolution in Dec 1991
   同義詞：Commonwealth of Independent States, CIS

名詞 ci-:

1. a unit of radioactivity equal to the amount of a radioactive isotope that decays at the rate of 37,000,000,000 disintegrations per second
   同義詞：curie, Ci

cis-
pref.（前綴）
On this side:
在這邊：
例句：
cisatlantic.
在大西洋這邊的

Having a pair of identical atoms or groups on the same side of a plane that passes through two carbon atoms linked by a double bond. Used of a geometric isomer:
順式：有一對相同的原子或基團的，位于一平面同側(cè)，該平面經(jīng)由雙鍵連接的兩個碳原子。用于幾何的異構(gòu)物：
例句：
cis- butene.
順式 丁烯

來源：
Latin
拉丁語
from cis [on this side of] * see ko-
源自 cis [在這一面的] *參見 ko-