相反,这些照片显示土卫五周围漆黑一片,反驳了关于有环的假设——尽管新研究没有阐明是什么造成2005年的观测结果。
Instead, the pictures showed nothing illuminated around Rhea, disproving the ring hypothesis-although the new study doesn't shed any light on what was responsible for the 2005 observations.
一旦到了那儿,他们就用卷尺,测径规和一种手持式激光器来测量一片500平方米地块内的所有树木的高度和干围。
Once there, they use tape measures, callipers and a hand-held laser to measure the heights and girths of all the trees within a 500-square-metre plot.
前面是一片白亮亮的湖水,湖水好像一弯新月,围抱着对岸,人立在这里望得见湖心亭和弯曲的桥。
Ahead were the shining waters of a crescent-shaped lake, embracing the opposite bank in its curve. A zigzag bridge led to a small isle with a pavilion in the lake's middle.
用胶带在木板上围出一片长方形区域,区域内涂满黑板涂料,涂好之后,你就可以在这片区域里用粉笔写字来标记植物的标签了。
Tape off rectangles on board, and paint with chalkboard paint as pictured above. This way, you can switch out herbs and change their labels accordingly.
用胶带在木板上围出一片长方形区域,区域内涂满黑板涂料,涂好之后,你就可以在这片区域里用粉笔写字来标记植物的标签了。
Tape off rectangles on board, and paint with chalkboard paint as pictured above. This way, you can switch out herbs and change their labels accordingly.
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