This kind of article is often bought as a gift, so exquisite and tasteful design is of prime importance.
人们购买这种商品通常用来赠亲友,所以精美高雅的设计至关重要。
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。