erection

n.竖立，建立

equitable, equitably, equity, equivalence, equivalent, equivocal, equivocate, equivocation, ER, era, eradicate, eradication, eradicator, erasability, erase, eraser, erasure, ere, erect, erectile, erectness, erector, erg, ergo, ergonomics, ermine, erode, eroded, erogenous, erosion, erosive, erotic, erotica, erotically, eroticism, err, errand, errant, erratic, erratically,