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单词
hydantoin
释义
hydantoin
/haɪˈdæntəʊɪn/
noun
1
Chemistry
a crystalline compound present in sugar beet and used in the manufacture of some anticonvulsant drugs
【化】乙内酰脲。
1.1
A cyclic derivative of urea; chem. formula: C
3
H
4
N
2
O
2
.
尿素的环状衍生物。化学分子式: C
3
H
4
N
2
O
2
.
词源
mid 19th cent.: from Greek
hudōr
'water'+
allantoic
(see
ALLANTOIS
)+
-IN
1
.
随便看
the story goes
the straight and narrow
the strap
the street/streets
the strength of
the struggle for existence
the stuff
the subjunctive
the sublittoral
the subtropics
the sun is over the yardarm
the supernatural
the Supreme Being
the Sweeney
the sweet
the sword
the sword of justice
the system
theta
the table
the tail of one's eye
the tail wags the dog
the tail wags the dog
the talk of
the Talmud
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更新时间:2026/6/18 15:06:15