Phthalanone
邻羟甲基苯甲酸内酯
🗣️ 情景例句
I have a book with photos of some homes in that area.
我有一本那个地区房子的照片。
You can receive our program at short wave 37.5 MH.
你可在短波37.5赫兹上收到我们的节目。
Sam was sure that the wallet must have been found by one of the villagers, but it was not returned to him.
萨姆确信那钱包一定是被某个村民捡到了，可是却不见有人来送还给他。