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
Please. That sounds good.
听起来不错，请给我弄一杯。
Wisdom is a good purchase though we pay dear for it .
为了求知识，代价虽高也值得。
Mars is too dry and poor in oxygen, Venus far too hot, and so is Mercury,
火星太干燥又缺氧，金星太热，水星也一样。