boundary
n.
1620s, from bound, n. + -ary.
〔李〕[bound n. 界限；-ary ⇒“a connection of bounds界限相连”→] n. a limiting thing or line；border分界线；边界
〔李〕[bound n. 界限；-ary ⇒“a connection of bounds界限相连”→] n. a limiting thing or line；border分界线；边界
| 词汇 | boundary |
| 词根词缀 | Online Etymology Dictionary 词根李平武蒋争 boundary n. 1620s, from bound, n. + -ary. 〔李〕[bound n. 界限；-ary ⇒“a connection of bounds界限相连”→] n. a limiting thing or line；border分界线；边界 |
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