0 New HSK word(s):
0 Old HSK word(s):
一级方程 [yi1 ji2 fang1 cheng2] Formel 1 (S)
一级方程式 [yi1 ji2 fang1 cheng2 shi4] Formel 1
一级方程式赛车 [yi1 ji2 fang1 cheng2 shi4 sai4 che1] Formel 1