Fragile fern
骨脆症
🧩 词语组成解析
fern
[fə:n]
n. <植>羊齿植物，蕨类植物;
🗣️ 情景例句
Two of a trade seldom agree.
同行是冤家。
A wonder lasts but nine days.
新鲜事儿不久长。
That will be fine with me.
没问题。