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单词
provitamin
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pro•vi•ta•min
(prō vī
′
tə min;
Brit.
also prō vit
′
ə min),
USA pronunciation
n.
[
Biochem.
]
Biochemistry, Nutrition
a substance that an organism can transform into a vitamin, as carotene, which is converted to vitamin A in the liver.
pro
-
1
+
vitamin
1925–30
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left-handed
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lefties
leftism
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leftover
left stage
leftward
leftwardly
leftwards
left wing
left--wing
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lefty
leg.
leg
legacy
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更新时间:2025/12/5 21:51:21