Paeonoside
芍药糖苷
🗣️ 情景例句
I don't know what-to do.
我不知道怎么做。
I asked him if he spoke English.
我问他他是否说英语。
'He had travelled only seven miles across the Channel when his engine failed and he was forced to land on sea.
但他只在海峡上空飞行7英里，引擎就发生了故障，他只好降落在海面上。