宇宙射线 yǔ zhòu shè xiàn

DEFINITIONS

  1. cosmic ray

CHARACTERS

宇 yǔ
HSK 6
house; building, structure; eaves
宙 zhòu
HSK 6
time as concept; infinite time
射 shè
HSK 5
shoot, eject, issue forth, emit
线 xiàn
HSK 4
line, thread, wire; clue