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
We'd like to make a reservation for this weekend.
我们想预订一个这个周末的房间。
That's not my area, but I'll get an answer for you.
那不是我的范围，但我会为你找出答案。
I'd like a cigarette, too.May I have one?
我还想抽枝烟。可以给我一枝吗？