Hard residue
[化] 硬性残留物(未降解的表面活性剂)
🧩 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
You are coming along well.
你进展得很好。
Naughty boys sometimes make good men.
淘气的男孩有时会成为争气的孩子。
Which person do you think is qualified for the job?
你认为哪一个人能胜任这份工作？