Backjoint
n. 石阶踏步背榫; 留槽待填
🗣️ 情景例句
May I look it over?
我可以过目一遍吗？
It is as well to know which way the wind blows.
识时务者为俊杰。
at eighty can knock us out, and into our grave.
能到了80岁可能会使我们一蹶不振而进入坟墓。