🧩 词语组成解析
a. 锯齿状的\\n[医] 锯齿状的
leaf
[lif]
n. 叶子;页;叶状的结构;金属薄片;
vt.& vi. 翻书（报）;
vi. 生叶;
🗣️ 情景例句
Thank you.
谢谢 。
A disease known is half cured.
病情确诊断，治病好一半。
Has it got anything to do with your present research?
报告跟你目前的研究有关吗？