Chinese ⇄ Arabic Basque Bulgarian Catalan Croatian Czech Danish Dutch English Estonian Finnish French German Greek Hungarian Irish Italian Latvian Lithuanian Maltese Norwegian Bokmål Polish Portuguese Romanian Russian Slovak Slovene Spanish Swedish Turkish Ukrainian

不可逆转性
environ.	عدم قابلية الظاهرة للانعكاس (一种过程特性，在该过程中不可再次回到已经执行过的某个过程状态。)