ā / pǔ / ěr / dùn / yīn / wèi / fā / xiàn / diàn / lí / céng / ér / huò / dé / nuò / bèi / ěr / wù / lǐ / xué / jiǎng阿普尔顿因为发现电离层而获得诺贝尔物理学奖。Appleton won the Nobel Prize in Physics for discovering the ionosphere.