我经常观察离得最近的那家人的生活。
一位名叫谢伟的科学家说,鲸落可能是最近才发生的,需要长期观察。
A scientist named Xie Wei says the whale fall might be quite recent and needs long-term observation (观察) .
事实上,最近的观察和模拟显示宇宙弦之网络贯穿整个宇宙。
In fact, recent observations and simulations have suggested that a network of cosmic strings stretches across the entire universe.
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