Free-electron laser
自由电子激光器
🧩 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;
electron
[i'lektrɔn]
n. 电子;
laser
['lezɚ]
n. 激光;激光器，镭射器;
🗣️ 情景例句
Interesting. What do you photograph?
很有意思。你拍些什么样的照片呢？
May I use the telephone?
我能用一下电话吗？
He noticed that the straight part of the dance was different in the afternoon from what it had been in the morning.
他注意到下午舞蹈的直线部分与上午的不一样。