Wall fern
n. 水龙骨
🧩 词语组成解析
fern
[fə:n]
n. <植>羊齿植物，蕨类植物;
🗣️ 情景例句
I was teaching music,
我当时教音乐，
Cry up wine and sell vinegar.
挂羊头，卖狗肉。
That would be better.
好啊。