Isoversion
催化异构化
🗣️ 情景例句
Yeah. My new advanced exercise class.
对， 新的高级健身班。
Excitement and happiness, and we are deeply grateful to you for that.
也有开心、兴奋和愉快的时候，我们衷心感谢大家所做的一切。
Debbie is only eleven years old and she hopes to set up a new world record.
黛比只有11岁，她希望创一项新的世界纪录。