The way he strokes his index finger against his lower lip?
是用食指轻触下嘴唇的方式吗？
| 单词 | stroke against |
| 例句 |
原声例句
五十度灰（有声书节选） The way he strokes his index finger against his lower lip? 是用食指轻触下嘴唇的方式吗？ |
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