| 单词 | obstruction |
|---|---|
| 音标 | [əb'strʌkʃən] |
| 解释 | n.阻碍(物)，妨碍 |
| 红宝书 | 无 |
| 字源 | obstruction (n.) 1530s, from Latin obstructionem (nominative obstructio) "an obstruction, barrier, a building up," noun of action from past participle stem of obstruere "build up, block, block up, build against, stop, bar, hinder," from ob "against" (see ob-) + struere "to pile, build" (see structure (n.)). |
| 不择手段背单词 | 无 |
| 趣味全助记 | 无 |
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