图注是放在插图下面的一行用于解释插图的文字。
n. legend
misc. drawing statement ; explanatory text
图注：箭头上的数字表示步骤发生的顺序。
Figure Note: the Numbers on the arrows indicate the order in which the steps occur.
图注：降低的水面：死海，地球的最低点，其水分正以惊人的速度蒸发。
Low water: the Dead Sea, the lowest spot on Earth, is evaporating at an alarming rate.
图注：无需胶水。在紫外光下，两节断开的材料通过挤压将断面粘合。
No glue required: Broken polymer chains reform to repair a crack in this material when it is pressed together and exposed to UV light.
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