Hard science
自然科学
🧩 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;
🗣️ 情景例句
This is Xiao Fu speaking.
我就是。
What's goes on here?
什么事？
However, rescue operations are proving difficult.
然而，事实证明营救工作非常困难。