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a male given name
Anjiro is my best friend.
a female given name
Yasumiko is my best friend.
Yan'an
I have been to Yan'an in China.
Yasumi is my best friend.
Keelung (a city in Taiwan)
I have been to Keelung City in Taiwan.
Kazumoto is my best friend.
(organic chemistry) hydroxyl
The hydroxyl group plays a very important role in organic chemistry.
(chemistry) free radical
Free radicals play an important role in chemical reactions.
foundation stone; cornerstone
The foundation stone of this building was laid 100 years ago.
(organic chemistry) phenyl
The phenyl group plays an important role in organic chemistry.
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