形容詞 arid:

1. lacking sufficient water or rainfall
   同義詞：waterless
2. lacking vitality or spirit; lifeless-C.J.Rolo
   同義詞：desiccate, desiccated

1. An arid plateau of southern Africa.
   非洲南部的干旱高原
2. He jammed his hat on angrily arid went out.
   他怒氣沖沖地使勁戴上帽子，走了出去。
3. He is tired of the arid studies that have produced nothing new.
   他對(duì)這些沒(méi)有新意的枯燥乏味的研究感到厭倦。
4. How can people make a living in this arid area?
   這片不毛之地上的人們?cè)趺粗\生呢？

ar.id

adj.（形容詞）
Lacking moisture, especially having insufficient rainfall to support trees or woody plants:
干旱的：缺乏水分，尤指降雨量不足，難以維持樹(shù)木或木本植物（生長(zhǎng)）：
例句：
an arid climate.
干旱的氣候

Lacking interest or feeling; lifeless and dull:
枯燥的：缺乏興趣或感情；無(wú)生氣和乏味：
例句：
a technically perfect but arid musical performance.
一場(chǎng)技術(shù)上完美但枯燥的音樂(lè)演出

來(lái)源：
Latin 3ridus
拉丁語(yǔ) 3ridus
from 3rôre [to be dry] * see as-
源自 3rôre [干的] *參見(jiàn) as-

【引伸】
arid.ity