Optics electron
[电] 电子光学
🧩 词语组成解析
optics
['ɔptiks]
n. 光学;
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
He's the youngest in the family.
他是一家中最小的。
Today we have two new students. Their names are Lucy and Lily.
今天我们班来了两位新同学，他们的名字叫Lucy和Lily。