🧩 词语组成解析
n. 控球后卫；发动机
abbr. 名词
🗣️ 情景例句
A journey of a thousand miles begins with a single step.
千里之行，始于足下。
Many great men have arisen from humble beginnings.
有许多伟人出身卑微。
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。