| 词汇 | cautious |
| 词根词缀 | 词源： c.1640, from caution + -ous. Cautiously is recorded from 1664. 词根记忆： a. (of)小心的,谨慎的The applause paused because of the cause caused by a cautious plausible clause.掌声停了是因为一条谨慎的似乎有理的条款引起的原因. |
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