🧩 词语组成解析
fern
[fə:n]
n. <植>羊齿植物，蕨类植物;
🗣️ 情景例句
John and I celebrate our fortieth anniversary next month.
下个月John和我将庆祝我们的结婚四十年纪念。
He spends a lot of time reading books on ecology.
他花了大量的时间阅读生态学方面的书籍。
I was very tired when I arrived home. I'd been working hard all day.
我到家时非常累。我一整天都在玩命地干！