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单词
technetium 99
释义
technetium 99
tech·ne·ti·um 99 (
99
Tc),
(
tek-nē'shē-ŭm
),
A radioisotope of technetium that is the decay product of technetium-99m and has a weak beta emission and a physical half-life of 213,000 years.
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be on the same page
be on the same wavelength
be on the same wavelength/on different wavelengths
be on the scene
be on the scent
be on the scent of
be on the scent of her
be on the scent of him
be on the scent of it
be on the scent of me
be on the scent of one
be on the scent of somebody
be on the scent of someone
be on the scent (of someone or something)
be on the scent of something
be on the scent of them
be on the scent of us
be on the scent of you
be on the scrounge
be on the scrounge for
be on the scrounge (for something)
be on the scrounge for something
be on the sick list
be on the side
be on the side of the angels
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更新时间:2025/3/17 18:52:44