Dipyridone
二甲基联吡啶二酮
🗣️ 情景例句
The smog in L.A. is caused by air pollution and water vapor.
洛杉矶的烟雾是由空气污染和水蒸气造成的。
He that once deceives is ever suspected.
骗人一次，受疑一世。
Manners are quite different from country to country.
各国的礼仪各不相同。