Denticulate
a. 有细齿的, 锯齿状的
✅ 同义词
🗣️ 情景例句
No doubt about it.
毫无疑问。
Knowledge will not be aquired without pain and application.
不花力气，不下功夫是得不到知识的。
He was efficient in his work.
他工作效率高。