止学
止学-
到考试时止，他已经学了五年英语。
He had studied English for five years when he took the exam .
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嵌压固定法重建交叉韧带肌腱结部分腱骨止点的组织学实验
Histological study of press-fitted tendon-knot insertion
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第二期是开创期，从1945年至1955年止，南来学人延续第一期的努力，并逐渐凝聚一股南洋研究的队伍，形成风气。
The second period of development is the Founding Period from 1945 to 1955 . By this time , the scholars from China continued their efforts in the first period and gradually they formed a strong force in South Sea Studies .