航空干线
trunk airline是什么意思
trunk airline 同义词
3 干线的
5 主要的
great high top head key major main stock master central capital essential primary chief independent leading grand prime broad principal nuclear fundamental underlying ruling dominant integral staple cardinal foremost stellar prevailing primal predominant prima bread-and-butter basilic princeps basilical
6 主要
great high top head key major main stock master central capital essential primary chief independent leading grand prime broad principal nuclear fundamental underlying ruling dominant integral staple cardinal foremost stellar prevailing primal predominant prima bread-and-butter basilic princeps basilical mainly principally chiefly paramount proto-