| 词汇 | etaoin shrdlu |
| 词根词缀 | 词源： 1931, journalism slang, the sequence of characters you get if you sweep your finger down the two left-hand columns of Linotype keys, which is what typesetters did when they messed up a line and had to start it over. A signal to cut out the sentence, it nonetheless sometimes slipped past harried compositors and ended up in print. |
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