My favorite game when I was a child was making snow angels in the freshly fallen snow.
我在孩提时代最喜欢玩的游戏,是在刚下的雪上堆雪天使。
it is now possible not only to locate a shoal but to tell if it is herring, cod, or other well-known fish, by the pattern of its echo.
不仅能够确定鱼群的位置,而且可以根据鱼群回声的特点分辨出是鲱鱼、鳕鱼,这是人们所熟悉的其他鱼。