Serrulation
n. 细锯齿状, 细锯齿
🗣️ 情景例句
I expect that I will be back on Sunday.
我预计星期日回来。
They are never alone accompanied by noble thoughts.
思想高尚者决不会孤单。
It is disturbing to think that a dangerous wild animal is still at large in the quiet countryside.
想到在宁静的乡村里有一头危险的野兽继续逍遥流窜，真令人担心。