🧩 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
If you don't go to college, you'll never get a good job.
你要是不上大学，就永远找不到好工作。
For those of you that didn't hear it, the question was how soon we could expect the product to be on sale.
你们并未听说过，问题是产品多快能上市。
I don't think so.
不知道。