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doorstep的复数形式为：doorsteps...
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doorstep的音标：doorstep的英式发音音标为：['dɔ:step]doorstep的美式发音音标为：['dɔrstep]...
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doorstep的现在完成时为：doorstepped...
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doorstep的现在进行时为：doorstepping...
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She continued to smile at the ranks of cameras on their doorstep.她依旧对着门口的一排排照相机微笑着。A couple of teenagers were kissing and cuddling on the doorstep.一对年轻人在门阶上亲吻拥抱。There she was on my doorstep with child in tow...她站在我门口，身后跟...
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She continued to smile at the ranks of cameras on their doorstep.她依旧对着门口的一排排照相机微笑着。The couple chatted briefly on the doorstep before going inside.夫妇俩进去之前在门阶上简短地说了几句.This was the weekend that the war finally landed on the...
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doorstep的第三人称单数（三单）为：doorsteps...
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doorstep的一般过去时为：doorstepped...