erectness的反义词
1. 直立：erectly /直立地/笔直地/ | erectness /直立/ | erector /建设者/设立者/勃起者/
danci.911cha.com
noun
1. position at right angles to the horizon
Synonym: verticality verticalness uprightness
2. the property of being upright in posture
Synonym: uprightness