Dihydro-
二氢
🗣️ 情景例句
Where's your grandson Robbie and his friend Alexandra?
你的孙子Robbie和他的朋友Alexandra呢？
What's the capital of your country?
贵国首都是哪儿？
People often ask me whether I like being a twin.
人们常常问我是不是喜欢双胞胎。