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“可以帮个忙吗？”不是" Can you help me ？" Cygnus departs ISS for more in-space experiments Massive protests in Berlin against TTIP Chinese traditional handicraft: Knife grinding 学习英语的最佳方式是什么？ Read, say, write, tell 哪个动词表示“写着”？ Swimming Skill and Degree 游泳与学历 strap的过去式是什么?strap的用法和例句 认识五一劳动节的英文该怎么说? “小声一点”用英语怎么说？