Electron hole
[电] 电洞
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
hole
[hol]
n. 洞，孔;洞穴，穴;缺陷;<口>绝境;
vt.& vi. （在…上）打洞或穿孔;
vi. 凿洞;（高尔夫球等）进洞;
🗣️ 情景例句
I've been thinking.
我一直在考虑。
How many feet are you going to use?
你要用几英尺？
the graphic record shows three waves arriving one after the other at short intervals.
曲线纪录就能显示出前后相间的这3种地震波。