翻译Colours in them seem to be used mainly to protect themselves

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• Do you know why different animals or pests (昆虫) have their special colors?Colors in them seem to be used mainly to protect themselves.Some birds like eating locusts (蝗虫),but birds cannot easily catch them.Why?It is because locusts change their colors together with the change of the colors of crops (庄稼).When crops are green,locusts look green.But as the harvest time comes,locusts change to the same brown color as crops have.Some other pests with differ
• 英语翻译Do you know why different animals or pests(昆虫) have their special colours?Colours in them seem to be used mainly to protect themselves.Some birds like eating locusts(蝗虫),but birds cannot easily catch them.Why?It is because locusts change their colours together with the change of the colours of crops(庄稼).When crops are green,locusts look green.But as the harvest (收获)time comes,locusts change to the same brown colour as crops have.Some other pests w
• 英语阅读练习Do you know why different animals or pests(昆虫) have their special colors?Colors in them seem to be used mainly to protect themselves.Some birds like eating locusts(蝗虫),but birds cannot easily catch them.Why?It is because locusts change their colors together with the change of the colors of crops(庄稼).When crops are green,locusts look green.But as the harvest time comes,locusts change to the same brown color as crops have.Some other pests with dif
• Do you know why different animals or pests(昆虫) have their special colors? Colors in them seem to be used mainly to protect themselves.　　Some birds like eating locusts(蝗虫), but birds cannot easily catch them. Why? It is because locusts change their colors together with the change of the colors of crops(庄稼). When crops are green, locusts look green. But as the harvest time comes, locusts change to the same brown color as crops have. Some other pests wit
• 翻译句子：Colours in them seem to be used mainly to protect themself.
• 翻译：Colours in them seem to be used mainly to protect themself.
• 翻译句子：Colours in them seem to be used mainly to protect themself.
• 翻译Colours in them seem to be used mainly to protect themselves
• 翻译Colours in them seem to be used mainly to protect themselves
• 翻译：Colours in them seem to be used mainly to protect themself.
• 方程组x：y：z＝7：10：5①,2x＋3y＝44
• 如图有一个圆环，内圆半径是10厘米，外圆半径是15厘米，这个圆环的面积是多少平方厘米？