Secondary electron
[医] 次级电子
🧩 词语组成解析
secondary
['sɛkəndɛri]
adj. 第二的，中等的;助手，副手;中等教育的;间接的;
n. 副手，代理人;[天]双星中较小较暗的一个，卫星;[语]次重音;
second第二+ary...的→第二的
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
I should have quit while I was ahead.
我应该见好就收。
You'll solve the problem if you concentrate upon it.
如果全神贯注，你就会解决这个问题。
Suddenly they came to a waterfall which dropped into an underground lake at the bottom of the cave.
突然，他们来到一道瀑布前，那瀑布奔泻而下，注入洞底一处地下湖里。