Neptunyl
镎氧离子
🔁 扩展释义
【化】 镎酰
🗣️ 情景例句
Can you help me?
你能帮帮我吗？
Then we could look at the production line.
然后我们再去看看生产线。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？