Laciniation
n. 條裂形結構, 鋸齒狀結構
??? 情景例句
OK.
喂。
Where will you be nest year at this time?
明年這個時候你將在哪里？
He led me into his room and hurriedly hid a large parcel under his desk.
他把我領進屋，慌忙把一個大包藏到了桌子下面。