| 词汇 | caution |
| 词根词缀 | 词源： caution (n.) c.1300, "bail, guarantee, pledge," from O.Fr., "security, surety," from L. cautionem (nom. cautio), from cautus pp. of cavere "to be on one's guard" (see caveat). The Latin sense re-emerged in Eng. 16c.-17c. The verb sense of "to warn" is from 1640s. 词根记忆： n. 谨慎;注意(事项),警告vt.劝…小心David always drives with caution.大卫开车十分小心. |
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