1. 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。

2. And mechanical systems like a wound watch, or the sun, do in fact run out of energy in accordance with the second law of thermodynamics (whether the whole universe does so is a moot point at present).
    像上紧发条的手表那样的机械装置，或太阳，也都会消耗完其能量（整个宇宙否如此，目前沿有争论）。

3. My wound is still painful.
    我的伤口还在痛。