我们必须为下一代留下健康的水域。
The world is everything that is the case.
We live in an age of narrative complexity, where the stories we tell are as intricate as the lives we lead.
船舶自动转向的引入是一个相当困难的问题,但解决方案在于PID控制器的应用。
My heart is bound to beat right out my untrimmed chest.
游戏是儿童的工作。