请输入您要查询的英文单词:
单词
phosphonium
释义
WordReference Random House Unabridged Dictionary of American English © 2024
phos•pho•ni•um
(fos fō
′
nē əm),
USA pronunciation
n.
[
Chem.
]
Chemistry
the positively charged group PH
4
⁺.
phosph
(
orus
) + (
amm
)
onium
1865–70
随便看
negative income tax
negative ion
negative lens
negatively
negativeness
negative option
negative-option
negative resistance
negative sign
negative transfer
negativism
negativist
negativistic
negativity
negaton
negator
negatory
negeb
negev
neglect
neglectedly
neglectedness
neglecter
neglectful
neglectfully
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:2025/11/16 6:04:12