单词 | conh |
例句 | DEFINITIVE EXAMPLES 权威例句〔nylon〕Any of a family of high-strength, resilient synthetic polymers, the molecules of which contain the recurring amide group CONH.尼龙,尼纶:高强度,有弹性的合成聚合物,其分子含有反复出现的酰胺原子团美国传统 |
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