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| make certain of (确实); make certain that (确实); figure out; learn; make certain | |||
| find out | |||
| clarify | |||
| satisfy oneself | |||
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| assure oneself of; assure oneself that | |||
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| straighten | |||
| 弄清楚: 7 phrases in 3 subjects |
| American usage, not spelling | 1 |
| General | 5 |
| Mathematics | 1 |
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