F number
焦距比数
🧩 词语组成解析
🗣️ 情景例句
In face, Australia is the only country that is also a continent.
事实上，澳大利亚是唯一作为洲的国家。
Will it hurt?
不知道会不会受伤？
The best-known movie awards are the Academy Awards.
最著名的电影奖是奥斯卡金像奖。