短語詞組短語unprotected vertical opening 不加保護(hù)的垂直開口unprotected verticl opening 不加保護(hù)的鉛直開口unprotected ? vertical opening 不加保護(hù)的垂直開口unprotected E vertical opening 不加保護(hù)的垂直開口 返回 unprotected opening