Waterless describes a place with no water — no water for people or animals to drink, nothing to find, dry all the way through. 'A waterless desert', 'waterless plains'.

Waterless無水的 describes a place with no water形容一個沒有水的地方 — no water for people or animals to drink沒有水給人或動物喝, nothing to find找不到水, dry all the way through整個徹底乾涸 'A waterless desert'「一片waterless的沙漠」, 'waterless plains'「waterless的平原」

It is a strong word, and a fairly literary one: you meet it in books, travel writing and stories more than in daily talk. In ordinary speech people just say 'dry', or 'there's no water there'.

It它 is a strong word是個很強烈的詞, and而且是 a fairly literary one相當文學性的一個詞: you你 meet it會在 in books, travel writing and stories書籍、遊記和故事裡遇到它 more than in daily talk比在日常對話裡多得多 In ordinary speech在日常口語裡, people人們 just say 'dry', or 'there's no water there'就直接說'dry'，或說「那裡沒有水」

The word has a second life in shops and technology, and this one is growing fast: 'waterless' before a product means the thing works without using water. Waterless car wash, waterless shampoo, waterless cooking, waterless toilet, waterless urinal. Here the word is a selling point — it says 'this saves water', which people care about now. This use is completely modern, and it is probably the one you will meet most often.

The word這個字 has a second life有第二種生命 in shops and technology在商店和科技產品裡, and而且 this one is growing fast這種用法成長得很快: 'waterless' before a product在產品前面加'waterless' means the thing works without using water意思是這東西不用水就能運作 Waterless car wash, waterless shampoo, waterless cooking, waterless toilet, waterless urinal免水洗車、乾洗髮、免水烹調、免沖水馬桶、免水小便斗 Here在這裡, the word這個字 is a selling point是個賣點 — it它 says 'this saves water'意思是「這個省水」, which people care about now這正是現在大家在意的事 This這種 use用法 is completely modern完全是現代的, and而且 it它很 is probably the one you will meet most often大概是你最常遇到的那種用法

So notice the two feelings living in one word. Applied to a place, it is bad: nothing can live there. Applied to a product, it is good: clever, saving something precious. The word itself is neutral — it only says 'without water'; the good or bad comes from what you attach it to.

So所以, notice要注意 the two feelings living in one word同一個字裡住著兩種感覺 Applied to a place用在地方上, it它 is bad是負面的: nothing can live there沒有東西能在那裡活下去 Applied to a product用在產品上, it它 is good是正面的: clever, saving something precious聰明、能省下珍貴的東西 The word itself這個字本身 is neutral是中性的 — it它 only says 'without water'只是說「沒有水」; the good or bad而好壞 comes from what you attach it to取決於你把它用在什麼東西上