keep back 阻止 ; 抑制
keep back the tears 收住眼泪
keep back one's tears 忍住眼泪不流下来 ; 忍住泪
keep back straight 保持背部挺直
keep back Mo driver fatigue 结伴而行莫疲劳驾驶
keep back everlasting memories 留下永恒的回忆
Keep Coming Back 让你回来 ; 持续回归 ; 等你回来 ; 久久戒酒
B keep back 留在后面
She was unable to keep back her tears.
她无法忍住泪水。
《牛津词典》
Barricades were erected to keep back the crowds.
设置了障碍，使人群无法靠近。
Keep back straight and bend knees.
背要直，只弯两膝。
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