欧路词典
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improver /im'pru:və/

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英汉-汉英词典
n. 进者；善者；良物
词组 | 习惯用语
viscosity index improver 善粘度添加剂；粘指剂；（机油的） 粘度指数善剂

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相似单词

improvably, improve, improve on, improved, improvement, improver, improverishment, improvidence, improvident, improving,