直立;
erectness是什么意思
1. erectness的意思
1. 直立:erectly /直立地/笔直地/ | erectness /直立/ | erector /建设者/设立者/勃起者/
noun
1. position at right angles to the horizon
Synonym: verticalityverticalnessuprightness
2. the property of being upright in posture
Synonym: uprightness