请输入您要查询的英文单词:
单词
pyrone
释义
pyrone
/puy"rohn, puy rohn"/
,
n. Chem.
either of two heterocyclic ketones having the formula C
5
H
4
O
2
.
[
1890-95; PYR- + -ONE
]
随便看
preembarrassment
preembodiment
preembody
preemergence
preemergency
preemergent
preemie
preeminence
preeminent
preemotion
preemotional
preemperor
preemphasis
pre-Empire
preemploy
preemployee
preemployer
preemployment
preempt
preemption
preemptive
preemptive right
preemptive strike.
preen
preenable
英语词典包含168451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:2026/4/20 1:11:46