Calamus
n. 菖蒲, 白藤, 羽根\\n[化] 菖蒲(Acorus calamus)
🗣️ 情景例句
Ask him to join us for lunch.
请他来和我们一起吃午饭。
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。
Take it easy.
别紧张。