头索类 tóu suǒ lèi

DEFINITIONS

  1. lancelet (Branchiostoma)

CHARACTERS

头 tóu
HSK 3
head; top; chief, first; boss
索 suǒ
HSK 5
large rope, cable; rules, laws; to demand, to exact; to search, inquire; isolated
类 lèi
HSK 5
class, group, kind, category