🧩 词语组成解析
fern
[fə:n]
n. <植>羊齿植物，蕨类植物;
🗣️ 情景例句
Why can't you do both?
为什么不能两样一起做？
A man becomes learned by asking questions.
要长学问，就得多问；多问则业精。
He did not know from which part of Africa his ancestor had come.
他不知道祖先来自非洲的什么地方。