Hard x-rays
[电] 硬性X射线
🧩 词语组成解析
hard
[hɑrd]
adj. 困难的;硬的;有力的;努力的;
adv. 努力地;猛力地;严重地;沉重地;
n. 英〉硬海滩，登陆处;
n. 射线；[俚]日光浴；光线（ray的复数）
🗣️ 情景例句
I've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
What do you like best, apples, pears, or bananas?
苹果，梨，香蕉，你最喜欢哪个？
He felt free to talk about his failures or his difficulties.
他可以随便谈论自己的失败或困境。