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- "Now, I find myself subscribing to 60 or 70 journals or magazines just to keep me up with what amounts to a minute proportion of the expanding frontiers of scholarship. “如今，我们本人就订阅了60或70种期刊杂志，以便自己跟上不断拓展子中学术前沿中一个微小部分子中发展动向。”
- The company is eager to expand into new markets. 那家公司急欲开辟新的市场。
- Sweden has frontiers with Norway and Finland. 瑞典与挪威和芬兰接壤。
- It is through education that we expand the frontiers of knowledge. 通过教育，我们扩大了知识的阵地。
- Metals expand when they are heated. 金属遇热则膨胀。
- The king sought to expand his realm. 国王谋求扩大领土。
- Everything is quiet on the frontier. 边境上一切安静。
- The car was turned back at the frontier. 汽车在边境处被拦住了。
- They conferred on the best way to expand business. 他们商议扩展业务的最好方法。
- Would you expand on the matter a little further? 请你再进一步谈谈这件事好吗?
- The petals of many flowers expand in the sunshine. 许多花的花瓣在阳光中绽放。
- Our frontier guards held up under fierce enemy attack. 我们的边防战士在敌人猛烈进攻下巍然不动。
- Expand trade between us will be to our mutual benefits. 扩大我们之间的贸易将对我们双方有利。
- The frontier ranges from the northern hills to the southern coast. 边界从北部山地一直延伸到南部海岸。
- expand frontiers 拓边
- The frontiers of medical knowledge are being pushed forwards as time goes on. 医学知识的新领域正随着时间向前推进。
- The frontier range from the northern hill to the southern coast. 边界从北部山地一直延伸到南部海岸。
- We should exploit our rich resources to expand the economy. 我们应该利用我们丰富的资源发展经济。
- By pooling our talents and resources we can make space a new frontier of peace. 如果我们把才能和资源汇合起来，就能把太空这个尚未开拓的疆域变成一个新的和平疆域。
- For scientists, they will be places to expand the frontiers of discovery. 对于科学家们来说，它们将成为扩展发现边界的地方。
