丰有是一个汉语词语，读音是fēng yǒu，是指富有。丰足充实。
因此，主盘在形成伊始有一个很大的丰度梯度，就像遥远的狮子座里的那个星系那样。
Thus, the disc begins its existence with a steep metallicity gradient, like the one in the distant galaxy in Leo.
如果天文学家能够观测到十亿光年外的螺旋星云的金属丰度梯度，我们就可以知道亿万年之前的梯度有多大，因此也就可以知道它是如何随时间变化的。
If astronomers could observe metallicity gradients in spiral galaxies billions of light-years away, we could see how steep the gradients were billions of years ago and thus how they change over time.
据智者说，这儿本有丰郁的兰花，这儿简直就是兰花的故乡，否则得不了这个名。
According to wise men there had fertile orchid here. The mountain could be called the hometown of orchid or it could not have this name.
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