以下三个通用策略为我们提供了一组基础的规则
There are three common strategies that provide a baseline set of rules
三字铭是从一个字串里取出来的一组三个连续的字符。
A trigram is a group of three consecutive characters taken from a string.
关于三个一组在块中的特效药问题。
三个人一组，每组一张卡片，请你们用相应的颜色的蜡笔填涂卡片上的单词。
OK. Here are some CARDS for you. Please color the words in group of three. .
三个人一组，每组一张图片，请你们用喜欢的颜色填涂图片。
OK. Here are some pictures for you. Please color it in group of three. .
三个人一组，每组一张图片，请你们用喜欢的颜色填涂图片。
OK. Here are some pictures for you. Please color it in group of three. .
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