0 New HSK word(s):

0 Old HSK word(s):

滚雪球 [gun3 xue3 qiu2]

Schneeball (S)
滚雪球般增长 [gun3 xue3 qiu2 ban1 zeng1 zhang3]

anwachsen (V)
雪球 [xue3 qiu2]

Schneeball (S)
雪球地球 [xue3 qiu2 di4 qiu2]

Snowball Earth (Geol)