adder's-tongue

n.ferns with fertile spikes shaped like a snake's tongue

同义词：adder's tongueadder's tongue fern

1. The adder's-tongue is known for its unique single blade and spore spike.
   蝰蛇舌草以其独特的单叶和孢子穗而闻名。
2. Adder's-tongue ferns are often found in meadows and grasslands.
   蝰蛇舌草常见于草地和草原。