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单词
polonium
释义
polonium
noun
uncountable
chemistry
UK
/
pəˈləʊniəm
/
DEFINITIONS
1
1
a chemical element that is a radioactive metal. Its symbol is Po.
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminium
polonium
noun
uncountable
chemistry
US
/
pəˈloʊniəm
/
DEFINITIONS
1
1
a chemical element that is a radioactive metal. Its symbol is Po.
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminum
随便看
if
i fail to see/understand
if all else fails
if anything
if at first you don’t succeed, (try, try, and try again)
if desired
i fear (that)/so/not
if ever
if ever there was one/something
iff
iffy
if he/she/they etc so desire(s)
if he/she/they etc. so desire(s)
if i live to be a hundred
if i may say (so)
if i may say so
if i might be so bold
if it kills you
if it were not for
if it were not for/if it had not been for
if it’s the last thing i do
if i were you
if my memory serves me (well/right/correctly)
if need be
if nothing else
英语词典包含67175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。
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更新时间:2025/7/31 0:56:46