重大进展 zhòng dà jìn zhǎn

DEFINITIONS

  1. significant progress; substantial development

CHARACTERS

重 zhòng
HSK 3
heavy, weighty; double
大 dà
HSK 1
big, great, vast, large, high
进 jìn
HSK 2
advance, make progress, enter
展 zhǎn
HSK 4
open, unfold; stretch, extend