Neutronics
中子物理学; 中子学
🗣️ 情景例句
What do you recommend?
有什么建议？
Poverty shows us who are our friends and who are our enemies.
贫困才能显出敌和友。
In a few minutes he returned with my bag and gave it back to me.
一会儿工夫他拿着我的提包回来了，把它还给了我。