Underfocus
n. [物]欠聚焦,弱焦点
🗣️ 情景例句
Don't bother me.
别惹我。
Better one-eyed than stone-blind.
独眼总比全瞎好。
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。