Indexing Matters

酯...

酯...

酯 zhiˇ

(Acetate, Ester)

Ester, Acetate

酯

聚亞胺酯

juˋ yaˋ anˋ zhiˇ

(Polyurethane)

Polyurethane

聚, 亞, 胺, 酯

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