ความหมายของคำว่า "retroactive" Play Sound

(ADJ) ซึ่งมีผลย้อนหลัง 
(คำที่มีความหมายคล้ายกัน)  retrospective; reverted; 
ตัวอย่างประโยค Englishไทย
Right. well, I don't know how a cell phone works.which is why it can onIy be used as a retroactive tooI...
And everybody is terrified of screwing with it for fear of losing it or suffering the consequences of God knows what, which is why it can only be used as a retroactive tool...-AII right. Now we're getting somewhere. AII right, now, you said Iight couId go back.