adj.沒有扎實(shí)基礎(chǔ)的；沒有理由的；虛假的

He explained his abscent with an ungrounded excuse. 他找了個(gè)站不住腳的理由來解釋缺席的原因。

If ungrounded, go for a walk or swim. 如果沒有根植，出去散步或游泳。

Other features are the same as the unground type. 其它特點(diǎn)同絕緣型。

Three-phase winding, zigzag connection, ungrounded or grounded. 三相繞組, 之字連接, 接地或不接地。

Why are ungrounded “Indigo Children” such a problem? 為什么靛藍(lán)孩子有不接地這個(gè)問題？