Methylpentanone
甲基戊酮
🗣️ 情景例句
I'm Ralph Riley.
我叫Ralph Riley。
I picked up my cards.
我捡起了我的卡片。
After they carved the characters on rocks, they put a piece of wet paper on top of the characters and beat it lightly.
他们把字刻在石块上后，再把一张潮湿的纸放在字的上面，并轻轻地拍打。