Ditetragon
双四边形
🗣️ 情景例句
We had a summer house on Fire Island.
我们在火岛有一所避暑别墅。
Britain is behind Japan in developing modern technology.
在发展现代技术方面，英国落后于日本。
Is there any way of ensuring we'll have enough time for our talks?
我们是否能保证有充足的时间来谈判？