Hard acid
[机] 硬酸
🧩 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
The return name and address is
发信人姓名和地址是
I like listening to pop music.
我喜欢听流行音乐。
They employed him as a consultant.
他们雇用他为顾问。