🧩 词语组成解析
n. [建]柱身凹槽(或突筋)
n. 杂物, 杂录, 杂文集
🗣️ 情景例句
Then an adult must sign for you.
那就必须有一位成年人来替你签字。
To be of use in the world is the only way to be happy.
为善最乐。
It was no use pretending that I had not seen him, so I waved to him.
若再装作没看见他已是没有用了，我只好向他招手。