mount a head-on challenge to 是何意思？

China plans to mount a head-on challenge to the dominance of Boeing and Airbus in the global market for big passenger jets by setting up a state-owned company to build the aircraft.

mount a head-on challenge to 是何意思？ chop off ones head and mount it like a trophy in a secret room at the mansion give sb. a heavy blow on the head why can a chicken run without its head on The face of American president on mount can be seen from a way of 60 miles.为什么用way How many angels can dance on the head of a pin? When I was walk on the street,I saw a plane_____over my head. rot 和DEG，HEAD，MOUNT，PICK，HEAD，LENS，的单词意思是？ A milkmaid was going to the market.She carried her milk in a pail on her head.是什么意思 bomb a head是什么意思？