In July, the blue pontederia or pickerel-weed blooms in large beds in the shallow parts of our pleasant river, and swarms with yellow butterflies in continual motion.
英
美
- 在水里的情形更是多姿多彩,浅处淡蓝色的梭子蟹草和海寿肆意蔓延,丛中的黄蝶翩迁蹀躞;