🧩 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 late because I had a flat tire.
我来晚了，因为我的车坏了。
In Arizona, the stars seem very bright.
在亚利桑那州，星星看起来格外明亮。
Sometimes the secrecy goes to such an extent that the whole nature of the research cannot be mentioned.
有时，保密竟达到了这样的程度，即连研究工作的整个性质都不准提及。