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
I don't think you've got your facts straight.
我认为你没有把事实搞清楚。
Waste of time is the most extravagant and costly of all expenses.
浪费时间是一切花费中最奢侈豪华的费用。
Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.