腿后侧肌肉拉伤让她走路很困难。
The ___hamstring ___pull made it hard for her to walk.
繁重的税收政策正在严重阻碍企业的发展。
The heavy tax policies are ___hamstringing the growth of businesses.
这位运动员刻苦训练，增强了大腿后侧的肌肉。
The athlete trained hard to strengthen his ___hamstrings.
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