does it indicate a change of tack when its relations with the US _英语解答

does it indicate a change of tack when its relations with the US are souring

人气：308 ℃　时间：2020-09-30 23:11:42

解答

tack (为达到目的而尽力减少阻力的) 处事方针; 摸索政策
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改变方针tack是动词？tack名词这是一个什么类型的句子？疑问句