Duōpǔlèxiàoyìng
ㄉㄨㄛ ㄆㄨˇ ㄌㄜˋ ㄒㄧㄠˋ ㄧㄥˋ
Simplified 多普勒效应
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 多普勒效應 and it comes back until you know it.