Extensions
n. 扩展, 扩张；延长（extension的复数）
🗣️ 情景例句
That sounds fine.
这样听起来蛮好的。
That nation is famous for its tourism.
那个国家以旅游业闻名。
Our knowledge of the oceans a hundred years ago was confined to the two-dimensional shape of the sea surface and the hazards of navigation presented by the irregularities in depth of the shallow water close to the land.
100年前，我们只知道海洋是二维平面形的，以及靠近陆地浅水区的深浅不一能给航行带来危险。