
好词典

源自中古英语 union,来自古法语 oignon,最终源于拉丁语 unio(意为'单一'或'珍珠洋葱')。
❶ 洋葱,一种常见的球茎类蔬菜,外皮呈棕色或紫色,切开时会释放刺激性气味,广泛用于烹饪调味。
“She chopped the onion into small pieces for the soup.”
(她把洋葱切成小块用来做汤。)
“The recipe calls for one large onion, finely diced.”
(食谱要求用一个大洋葱,切成细丁。)
know one's onions — 俚语,表示某人非常了解某个主题或精通某项技能。
“When it comes to car repairs, Jack really knows his onions.”
(说到修车,杰克确实很在行。)