🧩 词语组成解析
a. 有细齿的, 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
Good morning. Would you please bring me some breakfast?
早上好，可否为我送点早餐？
To swim
游泳
We need it in our office by next Monday.
下星期一以前要送到我们公司。