🧩 词语组成解析
fern
[fə:n]
n. <植>羊齿植物,蕨类植物;
🗣️ 情景例句
I'm terribly sorry about that.
为此我非常抱歉。
Why are you going back?
你为什么回来?
will finally become so steep that we can live no longer,
但最终会急转直下,我们也无法再活下去了。