志留系 zhì liú xì

DEFINITIONS

  1. Silurian system (geology)
  2. see 志留紀|志留纪

CHARACTERS

志 zhì
HSK 4
purpose, will, determination; annals
留 liú
HSK 3
stop, halt; stay, detain, keep
系 xì
HSK 1
system; line, link, connection