🧩 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
He accused the government of tearing up the negotiated agreement.
他控告政府撕毁协议。
There's a ten thirty flight in the morning.
早上10点半有班机。
As soon as I tap on the window, you must stop within five feet.
我一敲车窗，你必须把车停在5英尺之内。