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
Just sketching.
只是画些草图。
There is no royal road to learning.
治学无坦途。
We need three times as much as we originally ordered.
原来的三倍。