多長的用法和樣例：
例句
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做這項工作需要多長時間？
How long will the job take?
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你能估計其長度[它有多長]嗎？
Can you estimate its length/how long it is?
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安裝電話機與總機接通要多長時間？
How long will the connection of the telephone take? ie How long will it take to install a telephone and connect it to the exchange?
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自從我們看望你母親以來到現在有多長時間了？
How long is it since we visited your mother?
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我回憶不起來多長時間了。
I can't recall how long it has been.
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你能瞪著看多長時間不眨眼？
How long can you stare without blinking your eyes?
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到那兒要多長時間？
How long will it take me to get there?
以上內容獨家創作，受著作權保護，侵權必究
