蛇蜻蜓

例句：

1. 1. The snake darted across the grass, leaving a trail of dust behind it.
   蛇在草地上疾驰而过，留下了一串尘土。
2. 2. The snake was so fast that it almost caught the butterfly in its mouth.
   那条蛇跑得如此之快，几乎要把蝴蝶吞进嘴里了。
3. 3. The snake was so hungry that it could not resist the temptation to eat the small bird.
   那条蛇太饿了，无法抗拒吃小鸟的诱惑。