🧩 词语组成解析
n. [建]柱身凹槽(或突筋)
🗣️ 情景例句
To teach a fish how to swim.
孔子面前读诗书，班门弄斧。
Man is a tool-using animal.
人是用器之兽。
The settlers built railways across the plains and began to hunt even more bison.
殖民者在平原上修起了铁路，于是开始猎取更多的野牛。