Free neutron
[电] 自由中子
🧩 词语组成解析
free
[fri]
adj. 自由的;免费的;免税的;空闲的;
adv. 免费地;自由地，无拘束地;一帆风顺地;
vt. 免除;释放;使自由;解救;
🗣️ 情景例句
But you just got here. Can't you stay a little longer?
可你刚刚到，再多呆一会儿，好吗？
That was a lousy movie.
那电影糟透了！
What are you doing?
你在干什么？