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(organic chemistry) phthalein
In the organic chemistry experiment, we used phthalein as an indicator.
(organic chemistry) naphthalene
Naphthalene is a compound often used in organic chemistry.
In this experiment, we will observe the crystallization of naphthalene.
(organic chemistry) phthalazine
Phthalazine is a compound often used in organic chemistry.
dignified / undignified; lacking in dignity / fill, line up
He is a dignified person named Bi.
flatter / humor / flirt
He always keeps a smile on his face to flatter his boss.
tail
His name is followed by 'san' at the end.
fish, shrimp
I bought three fish at the fishmonger today.
(Chinese astronomy) Tail
In Chinese astronomy, there is a constellation named 'Tail'.
tiny; small; minute
His tiny smile warms the heart.
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