2004年6月，金星的投影穿越太阳表面，这是122年一遇的天象，被称为“凌日”。
June 2004 saw the first passage, known as a "transit", of the planet Venus across the face of the Sun in 122 years.
弯月面容器中之静止液体的弯曲上表面，如果液体浸润了容器壁，那么弯曲面呈凹状。
The curved upper surface of a nonturbulent liquid in a container that is concave if the liquid wets the container walls.
5月，大量隐藏在表面之下的忧虑再次浮现。
May has seen the re-emergence of a number of worries that had been beneath the surface.
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