fǎndàndǎodàn
ㄈㄢˇ ㄉㄢˋ ㄉㄠˇ ㄉㄢˋ
Simplified 反弹导弹
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 反彈導彈 and it comes back until you know it.