🧩 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
There's only one problem.
只有一个问题。
We never know the worth (or value) of water till the well is dry.
井枯方知水可贵。
It was a great help to me.
真是获益良多