名詞 binary:

1. a system of two stars that revolve around each other under their mutual gravitation
   同義詞：binary star, double star

形容詞 binary:

1. of or pertaining to a number system have 2 as its base
2. consisting of two (units or components or elements or terms) or based on two

1. A binary compound of chlorine.
   氯化物一種氯的二元化合物
2. In computing and communications, a group of eight binary digits treated as an entity.
   在計算技術和通信技術中，作為一個整體來處理的一組8個二進制數(shù)字。見octal。
3. A bit added to a binary code that indicates parity and is used to check the integrity of data.
   奇偶校驗位加在二進制碼上的一個標明奇偶數(shù)的位，用于檢驗數(shù)據(jù)的完整性
4. Do all computers use binary system?
   所有的計算機都使用二進制嗎？

bi.na.ry

adj.（形容詞）
Characterized by or consisting of two parts or components; twofold.
雙重的：以兩部分或要素為特色的或由之組成的；兩倍的
Of or relating to a system of numeration having 2 as its base.
二進制的：二進制的或與之有關的
Chemistry Consisting of or containing only molecules consisting of two kinds of atoms.
【化學】 二元的：由只有兩種原子構成的分子組成的
Of or employing two comparatively nontoxic chemicals that combine to produce a deadly poison:
二元化合的：兩種相對無毒的化學物質(zhì)結合而產(chǎn)生出致命毒品的或應用之的：
例句：
binary weapons; a binary nerve gas.
二元武器；二元神經(jīng)致毒氣

Music Having two sections or subjects.
【音樂】 二部的，二拍的：有兩種樂器或主題的
n.（名詞）
【復數(shù)】 bi.na.ries
Something that is binary, especially a binary star.
兩個，雙：兩個的東西，尤指雙星

來源：
Middle English binarie
中古英語 binarie
from Late Latin bon3rius
源自 后期拉丁語 bon3rius
from Latin bono [two by two] * see dwo-
源自 拉丁語 bono [兩個兩個地] *參見 dwo-