Saw-tooth
锯齿形
🧩 词语组成解析
saw
[sɔ]
n. 锯;谚语，格言;
vt.& vi. 往复移动;锯成;用锯;拉锯;
v. 看见（ see的过去式）;观看;领会;考虑;
tooth
[tu:θ]
n. 牙;齿;齿状部份;
vt. 给…装齿;
vi. 啮合;
🗣️ 情景例句
You're just wasting your breath.
你在白费口舌。
Try (your friend) before you trust him.
朋友要经考验，才能取得信任。
It was over 30 feet in length and had a 2,500-horsepower engine.
它的车身长30英尺，有一个2，500 马力的发动机。