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
It's nice meeting you.
很高兴认识你。
Please fill in this disembarkation card.
请你填写这张入境卡。
He was absent on Monday,Tuesday,Wednesday and Tuesday.How are you all keeping?
星期二、星期三和星期四没去上学。你们身体都好吗？