Serrulation
n. 细锯齿状, 细锯齿
🗣️ 情景例句
Hi, everyone. Sorry I'm late.
嗨， 各位好。很抱歉我迟到了。
My underwear is black.
我的内衣是黑色的。
thereby proving that the burglars had either used skeleton keys or entered over the balcony.
由此可以证明，窍贼或者是用万能钥匙，或者是翻越阳台进来的。