shùxuémóxíng
ㄕㄨˋ ㄒㄩㄝˊ ㄇㄛˊ ㄒㄧㄥˊ
Simplified 数学模型
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 數學模型 and it comes back until you know it.