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- deep behind the frontier 深入国境线
- The car was turned back at the frontier. 汽车在边境处被拦住了。
- Soon I dropped behind the rest of the class. 不久我就落在班上其他同志后面了。
- We discovered a secret passage behind the wall. 我们在墙后发现了一个秘密通道。
- 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。
- I hid the broken plate behind the table. 我把打碎的盘子藏在餐桌后面了。
- They are brewing a plot behind the scenes. 他们正在幕后策划一个阴谋。
- The moon peeped out from behind the clouds. 月亮从云层中隐现。
- 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。
- He takes the reader deeply behind the common knowledge of how Tiger Woods, Wolfgang Amadeus Mozart, Bobby Fischer and other "child prodigies" really became great. 作者把读者带到对伍兹、莫扎特、（前国际象棋冠军)鲍比菲舍尔等“少年天才”如何变得伟大的平常看法的背后。
- A fawn behind the tree looked at us curiously. 树后面一只小鹿好奇地看着我们。
- The moon emerged from behind the clouds. 月亮从云层後露出。
- We must show our passports at the frontier. 在边境我们必须出示护照。
- Everything is quiet on the frontier. 边境上一切安静。
- He concealed himself behind the tree. 他藏在树后。
- Professor Field was devoted to the exploration of the frontier of Medicine. 菲尔德教授致力於探索医学研究的新领域。
- The ground floor of a theater behind the stalls. 正厅后座，正厅后座观众剧院前座观众后的底层
- Without newspaper, we would get behind the times. 要不是报纸，我们都赶不上时代了。
- Only to bring back grapes from over the frontier. 空见蒲桃入汉家。
- We have put tiles on the wall behind the bath. 我们在浴缸后的墙上贴了瓷砖。
