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VERB
戳；刺；捅
If you jab one thing into another, you push it there with a quick, sudden movement and with a lot of force.
例句
He saw her jab her thumb on a red button — a panic button...
他看到她用拇指按了一個紅色按鈕——緊急呼叫按鈕。
A needle was jabbed into the baby's arm...
一個針頭扎進了嬰兒的胳膊。
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N-COUNT
戳；捅；猛擊
A jab is a sudden, sharp punch.
例句
He was simply too powerful for his opponent, rocking him with a steady supply of left jabs.
對對手而言，他實在是太強大了，一頓結實的左刺拳打得對手搖搖晃晃。
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N-COUNT
注射；接種；預防針
A jab is an injection of something into your blood to prevent illness.
例句
...painful anti malaria jabs.
很疼的瘧疾預防針
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N-COUNT
抨擊；攻擊
You can refer to a sudden and unpleasant critical remark as a jab .
例句
They have been sniping at each other, with the Democrats taking jabs at the president's handling of foreign policy.
他們一直在互相指責，其中民主黨一方抨擊總統的對外政策。