the particles moved untrackably fast through the particle accelerator.
粒子以无法追踪的速度穿过粒子加速器。
the geological changes were untrackably subtle over millions of years.
地质变化在数百万年间极其细微，难以察觉。
the radio signal was untrackably faint and buried beneath static interference.
无线电信号极其微弱，埋藏在静电干扰之下。
the microbes were untrackably small, invisible to standard laboratory microscopes.
微生物极其微小，标准实验室显微镜无法看到。
the probe traveled untrackably distant beyond our most powerful telescopes.
探测器飞向极其遥远的远方，超越了我们最强大的望远镜范围。
the software bug was untrackably hidden in millions of lines of code.
软件错误隐藏在数百万行代码之中，难以追踪。
the submarine slipped untrackably quiet through the dark ocean depths.
潜艇悄然穿过黑暗的海洋深处，无法被追踪。
the differences between the twin compounds were untrackably minute.
这两种化合物之间的差异极其细微，难以分辨。
the social transformation occurred untrackably gradually over generations.
社会变革在几代人之间悄然逐渐发生，难以察觉。
the radio waves bounced untrackably unpredictably around the atmosphere.
无线电波在大气层周围以无法预测的方式反弹。
the spy moved untrackably unseen through the crowded marketplace.
间谍在拥挤的市场中悄然穿行，未被发现。
the quantum particles exhibited untrackably random behavior under observation.
量子粒子在观察下表现出无法追踪的随机行为。
the hacker navigated untrackably invisible through the network security systems.
黑客在网络安全系统中无法被追踪地悄然穿行。
the virus spread untrackably silently across the computer systems.
病毒在计算机系统中悄然无声地传播，难以追踪。
the particles moved untrackably fast through the particle accelerator.
粒子以无法追踪的速度穿过粒子加速器。
the geological changes were untrackably subtle over millions of years.
地质变化在数百万年间极其细微，难以察觉。
the radio signal was untrackably faint and buried beneath static interference.
无线电信号极其微弱，埋藏在静电干扰之下。
the microbes were untrackably small, invisible to standard laboratory microscopes.
微生物极其微小，标准实验室显微镜无法看到。
the probe traveled untrackably distant beyond our most powerful telescopes.
探测器飞向极其遥远的远方，超越了我们最强大的望远镜范围。
the software bug was untrackably hidden in millions of lines of code.
软件错误隐藏在数百万行代码之中，难以追踪。
the submarine slipped untrackably quiet through the dark ocean depths.
潜艇悄然穿过黑暗的海洋深处，无法被追踪。
the differences between the twin compounds were untrackably minute.
这两种化合物之间的差异极其细微，难以分辨。
the social transformation occurred untrackably gradually over generations.
社会变革在几代人之间悄然逐渐发生，难以察觉。
the radio waves bounced untrackably unpredictably around the atmosphere.
无线电波在大气层周围以无法预测的方式反弹。
the spy moved untrackably unseen through the crowded marketplace.
间谍在拥挤的市场中悄然穿行，未被发现。
the quantum particles exhibited untrackably random behavior under observation.
量子粒子在观察下表现出无法追踪的随机行为。
the hacker navigated untrackably invisible through the network security systems.
黑客在网络安全系统中无法被追踪地悄然穿行。
the virus spread untrackably silently across the computer systems.
病毒在计算机系统中悄然无声地传播，难以追踪。
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