Cyclohexanone
n. [化]环己酮
🗣️ 情景例句
And the marketing of new toys and games.
还有新玩具和新游戏器具的行销。
No one can call back yesterday.
往日不复返。
It repeated these circles over and over again.
它首先向右飞一个圆圈，然后向左飞一个圆圈。