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
I enjoyed myself very much.
我玩得很开心尽兴。
Our service has been very well-received by our customers so far.
到目前为止，顾客对我们的服务质量评价甚高。
which is, in fact, much more complicated.
地震波的运动实际比这要复杂得多。