Allium cepa
玉葱\\n洋葱
🧩 词语组成解析
[机] 葱属
[化] 耦合电子对近似
🗣️ 情景例句
Mr. Stewart …
Stewart先生……
Generally speaking, it's cheaper but slower to ship goods by sea than by rail.
总的来说，海运比铁路运输更便宜，但速度慢一些。
He insisted on the assistant's counting the money before he left -- 30,000 pennies in all!
这些硬币加在一起共有30，000枚！