Bound electron
[化] 束缚电子
🧩 词语组成解析
bound
[baʊnd]
vi. 跳，弹跳;限制;接壤;
vt. 给…划界，限制;使弹回，使跳跃;束缚;
n. 界限，限制;跃起;（球等的）反跳;
adj. 用带子绑住的;有义务的;装订的，有封面的;[化，物]结合的;
bound(to bind)→装订好的；必定；决心的；被束缚的
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
and photograph street performances in the city,
拍摄城市 的街头表演，
A police dog follows a scent.
一条警犬在追踪着气味。
We'll have to buy some more bricks. I don't think these will be enough.
我们需要买更多的砖。我认为这些不够。