变黄可能是水分过多的现象，也可能是由于水分不足的警告信号。
Yellowing can be a sign of too much water. But it can also be a warning sign of too little water.
这盘水分过多的通心粉看起来让人毫无食欲，尤其它的配料居然是一小盒果冻！ ¡。
Thiss watery pasta dish looks very unappetising, particularly when served with a small pot of jelly.
他表示，这些斑点通常是由于水分过多造成的。
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