按鈴的用法和樣例:
例句
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要求病人在有緊急情況時(shí)按鈴。
The patient was asked to ring the bell in an emergency.
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她按鈴要一杯飲料。
She rang for a drink.
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`先生,是您按鈴叫人嗎?'女服務(wù)員問(wèn)道。
`Did you ring, sir?' asked the stewardess.
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情況緊急時(shí)請按鈴。
Ring the bell in an emergency.
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