1. He noticed the remains of a snake which was would round the electric wires of a 16,000-volt power line.
    他看到一条死蛇缠在一根一万六千伏的高压电线上。

2. He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt power line.
    他发现了缠绕在16,000伏高压线上的一条死蛇。