请输入您要查询的英文单词:
单词
optionality
释义
WordReference Random House Unabridged Dictionary of American English © 2024
op•tion•al
(op
′
shə nl),
USA pronunciation
adj.
left to one's choice;
not required or mandatory:
Formal dress is optional.
leaving something to choice.
option
+ -
al
1
1755–65
op′tion•al
′
i•ty
,
n.
op
′
tion•al•ly
,
adv.
1.
See corresponding entry in Unabridged
.
discretional, elective, voluntary.
随便看
nervous
nervous breakdown
nervous exhaustion
nervously
nervous nellie
nervousness
nervous system
nervule
nervuration
nervure
nervy
n.e.s.
n.e.s
nesbit
nescience
nescient
nesosilicate
-ness
ness
nesselrode
nessie
nesslerise
nesslerize
nessler's reagent
nessus
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:2025/7/3 6:04:01