英语单词大全

thin air

/θin eə(r)/

中文翻译

<非正>无影无踪，虚无的状态

今日更新

更新时间：2026-04-10 05:55:51

elementary geometry

Xylosma congestum

family Laricariidae

impression of seal

pregnenolone acetate

Seeing is believing

colour developing reagent

enthalpimetric titration

heterosubstituted compound