What're those They have 3eyes,red ,yellow and green.Oh,they are __英语解答

What're those They have 3eyes,red ,yellow and green.Oh,they are __________________

人气：346 ℃　时间：2019-09-18 02:09:23

解答

three－primary　colours?　三原色
哦看到了3eyes,那应该是　traffic　lights
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