路茜含着泪竭力地要说明她是他从未曾见过的女儿。
Through her tears Lucie tried to explain that she was the daughter he had never seen.
所有这一切都是以人类历史未曾见过的速度和规模做出来的。
All these were built with a speed and on a scale never before seen in human history.
有一天我们穿过树林时发现了一个以前人们未曾见过的奇怪的小屋。
Walking through the forest one day, we found a strange little hut that no one had ever seen before.
When you see a display like that, what you assume is there's a bar there, and what that means is there's something in the middle that you've never seen before.
当你看到这样的演示时,你已经假定那里有一根木杆,也就是说中间的部分,有你之前所未曾见过的物体
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