?不可逆变化
不可逆变化 irreversible change; irreversible conversion 不可逆变换 irreversible transformation
It can also help create opportunities for a genuine, fundamental and irreversible conversion of the Soviet Union.
CENTERFORSECURITYPOLICY: Help With Soviet Conversion Is Risky
英汉双解词典包含3185865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。