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 new students seem to be shaping up quite nicely.
新生们看来表现得相当不错。
The mechanic repairs cars.
机工修理汽车。
I can't order these clothes, unless you can wait some time, or change this note.
如果你不能等些时候或者破开这张票子，我就不能订做这批衣服。