Neutron diffusion equation
[计] 中子扩散方程
🧩 词语组成解析
🗣️ 情景例句
going to the children's ward once or twice a week
每星期就去小儿科病房一、两次
I am at leisure now.
我现在有空。
Furthermore, the acquisition of this bottle cured him of a bad habit he had been developing for years.
此外，得到这瓶香水泥还治好了他多年的一个坏习惯。