Wbns
abbr. water boiler neutron source 沸腾式反应堆中子源
🗣️ 情景例句
No, nothing.
没有，没什么。
The world is a ladder for some to go up and others to go down.
世界好似一把梯，有人上去有人下。
First of all, he wrote out a long list of all the foods which were forbidden.
首先，他开列了一张长长的单子，上面列了所有禁吃的食物。