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
It was his first date in two years.
这是他两年来第一次约会。
She was flattered at the invitation.
她受到邀请，不胜荣幸。
Let's see if we can work it out to your satisfaction.
我来看看是否有什么办法能让你满意。