海洋不仅是一种待开发的资源,更是留给子孙后代的遗产。
The ocean is not just a resource to be exploited, but a legacy to be preserved for future generations.
雎鸠在水面张翼低飞,黄莺在枝头婉转歌唱。河面鸳鸯交颈,空中群鸟飞翔。叽喳的鸣叫声,旋律动听美妙。逍遥于春光中,令我心情欢畅。
Theorems are the milestones of mathematics.