首页
汉语词典
英英词典
请输入您要查询的英文单词:
单词
periodic system
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pe
′
ri•od
′
ic sys
′
tem
(pēr
′
ē od
′
ik, pēr′-),
USA pronunciation
[
Chem.
]
Chemistry
a system of classification of the elements based on the periodic law.
1870–75
随便看
nmn
nmr
nmr scan
nmr scanner
nmsqt
nmss
n.m.u.
nmu
n, n
nne
nnp
nnw
n.o.
n/o
no'
no.
no
no. 1
noaa
no-account
noachian
noah
noah's ark
noah's dove
nob
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 mdict.net All Rights Reserved
更新时间:2026/7/1 3:50:48