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21. | thoughtful looks |
| 沉思的表情 |
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22. | an impassive expression |
| 冷漠的表情. |
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23. | a vacuous expression |
| 傻傻的表情 |
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24. | facial affect program |
| 面部表情程序 |
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25. | a look of great significance |
| 意味深长的表情 |
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26. | a down expression |
| 沮丧的表情 |
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27. | a puzzled expression |
| 迷惑的表情 |
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28. | a vacant expression |
| 茫然的表情 |
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29. | a wan expression. |
| 惨淡的表情 |
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30. | a pleased look, |
| 高兴的表情, |
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