Aldehydene
乙炔
🗣️ 情景例句
I need a CD-ROM recorder.
我想要一个光盘刻录机。
The path down to evil is easy.
堕入罪恶的道路是容易走的。
A tramp may ask you for money, but he will never ask you to feel sorry for him.
游浪汉可能会向你讨钱，但他从来不要你可怜他。