颜色怪怪的，看上去既不是纯黄，也不是桔黄。
It is a strange color that's not quite yellow and not quite orange to look at.
它是北美体型最大的鲶鱼，并且是北美第三大纯淡水鱼，排在其之前的分别是黄鲟和白鲟。
It is the largest catfish in North America and the third largest obligate freshwater fish in North America, behind the lake sturgeon and paddlefish.
在不同混炼时间及热老化时间下，共混物的黄度指数相对纯聚合物有明显提高。
The yellow index of blends at different mixing time and thermal aging time increased obviously than that of pure polymer.
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