Words and Expressions(音频)
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Words and Expressions
1. internal [in'tə:nl] adj. 内部的
2. sizing ['saiziŋ] n. 施胶
3. anionic [ænaiɔnik] adj. 阴离子的
4. alkyl ketene dimer ['ælkil] ['ki:ti:n] ['daimə] 烷基烯酮二聚体 (AKD)
5. cationic [.kæti'əunik] adj. 阳离子的
6. alkenyl succinic anhydride ['ɔlkənil] [sək'sinik] [æn'hai.draid] 烯基琥珀酸酐 (ASA)

