在秋天，很多树叶变黄并从树上落下。
In autumn, quite a few leaves turn yellow and fall off the trees.
这种染料会使尿液变黄，一些特定的食物——比如芦笋——会使尿液发出难闻的气味。
The dye can color the wee, and certain foods – such as asparagus – can make it pong.
标准医学术语中，“黄疸”是一种皮肤变黄的症状。
Standard medical terminology uses jaundice for a symptom yellow discolouration of skin.
漂白剂防止白衣服变黄。
每当秋天到来时，树叶会变黄。
在秋季，树上的叶子变黄，变红了。
在秋天，树上的叶子变黄，变红了。
秋天到了，树叶慢慢的变黄。
树叶变黄，意味着秋天来临。
Leaves are getting yellow, which denotes the approaching of autumn.
树叶正在变黄，这意味着秋天就要来了。
漂白剂防止白色衣服变黄。
希望这次可以写到树叶变黄，窗子变亮。
秋天来临时，树叶和小草慢慢开始变黄。
When it comes to autumn, the leaves and grass turn to yellow gradually.
当秋天到来的时候，所有的叶子慢慢变黄。
When it comes to autumn, all leaves turn to yellow gradually.
秋天，树叶由绿变黄。
绿叶已经变黄。
树上的叶子正在变黄。
澳大利亚科学家培育出了一种切开后不会变黄的苹果。
Australian scientists have come up with an apple that does not go brown when cut.
树叶在变黄。
松木板用碱涂层减缓松树随时间推移变黄的趋势。
The pine wood panels are treated with a coating of lye to counteract the pine's tendency to yellow over time.
之后，有越来越多的树叶变黄，世界变成了金黄色。
And then, there are more and more leaves becoming yellow. It becomes a golden yellow world.
树叶都变黄，变红，变紫了。看起来真是如天堂一样美。
Leaves had turned/got/gone/become yellow, red and purple, It really looked heavenly beautiful (beautiful like heaven).
他一度回头望望夹在变黄树篱中间的那条无穷无尽的秋色小径。
He looked back once, up that endless vista of autumn lane between the yellowing hedges.
气候开始变得凉爽，树叶变黄，整个世界正忙着为冬天做准备。
The days have cooled down, the leaves have turned yellow, and the world is busy preparing herself for winter.
泡茶时，如果使用水的温度过高，会使茶叶泡熟，茶汤很快变黄。
If the water for making tea is too hot, tea leaves will be spoiled and tea liquor will turn to dark yellow very quickly.
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.
接下来就是秋天了，叶子变黄，大地铺满了落叶，鸟儿也飞到南方。
Next comes the autumn. Leaves turn yellow, the ground is covered with fallen leaves, birds fly to the south.
我爱抬头望着树叶，看它们从绿变红，再由红变黄，接着变成棕色。
I like to look up at the leaves changing colors from green to red and yellow, and then brown.
村前村后的野草刚起始变黄，一抹斜阳映照之下，更增了几分萧索。
Weed around the village had just changed yellow, under the setting sun, it looked more desolate.
村前村后的野草刚起始变黄，一抹斜阳映照之下，更增了几分萧索。
Weed around the village had just changed yellow, under the setting sun, it looked more desolate.
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