jiǎopíngfēnxiàn
ㄐㄧㄠˇ ㄆㄧㄥˊ ㄈㄣ ㄒㄧㄢˋ
Simplified 角平分线
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 角平分線 and it comes back until you know it.