concrete

on Upper intermediate

also on

• CEFR Advanced (C1)?
• CEFR Mastery level (C2)?

具体的,实在的, 水泥,混凝土

• concrete

  concrete

  (adjective)

  具体的,实在的
• concrete

  concrete

  (noun)

  水泥,混凝土

Forms

adjective	noun
concrete	concrete