🧩 词语组成解析
cleaner
['klinɚ]
n. 清洁剂;保洁员;吸尘器;干洗店;
adj. 更清洁的(clean的比较级);整齐的;新的;正派的;
clean 清净+ er表人\/物 →清洁工；干洗店；干洗商；洗洁器
🗣️ 情景例句
Hi, John, what's going on?
嗨，约翰，你都在做些什么事啊？
A man without a friend is only half a man.
无友的人只能算半个人。
Yes, and we must stop people walking on this floor until it's firm. It may be necessary to put up a notice saying Keep off. Another thing, we' ll have to drill a hole in the wall for the electric wires.
是的，因此在地板牢固前，我们必须防止人们从地板上行走。可能还需要竖一个布告牌，写上“不得践踏”。还有，我们必须在墙上钻一个电线孔。