英语词汇astm B221怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	astm B221
释义	Examples: American Society for Testing and Materials (ASTM)— 测试和材料协会
随便看	crypticality cryptic epitope cryptic error cryptic language cryptic message crypto- cryptoauditor cryptobranchus japonicus cryptococcal meningitis crypto device crypto engine cryptogamous plant cryptographic cryptographic algorithms cryptographically-secure cryptographic communications cryptographic engine cryptographic equipment cryptographic erase cryptographic features cryptographic framework cryptographic functionality cryptographic hash function cryptographic hashing cryptographic key

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

American Society for Testing and Materials (ASTM)—