请输入您要查询的英文单词:
单词
double bond
释义
WordReference Random House Unabridged Dictionary of American English © 2024
dou
′
ble bond
′
,
[
Chem.
]
Chemistry
a chemical linkage consisting of two covalent bonds between two atoms of a molecule, represented in chemical formulas by two lines, two dots, or four dots, as CH
2
=CH
2
;
CH
2
:CH
2
;
CH
2
::CH
2
.
1885–90
随便看
judo
judoist
judoka
judy
jug
jugal
jugal bone
jugal furrow
jugate
jug band
jugendstil
jugful
jugged
jugged hare
juggernaut
juggernautish
jugging
juggins
juggle
juggler
jugglery
jugglingly
jughead
juglandaceous
jugoslav
英语词典包含188688条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/12/7 0:54:18