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1. | pull sth sharply with a light jerk |
| 猛然轻拉某物 |
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2. | The ship drifted and brought up with a light jerk. |
| 船漂漂荡荡,然后微微一颠突然停了下来。 |
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3. | the automatic shrinking of the pupils of the eye in strong light; a reflex knee jerk; sneezing is reflexive |
| 在强光下眼睛瞳孔的自动收缩;无意识的膝部痉挛;打喷嚏是一种条件反射。 |
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