Fry's theory
[化] 弗莱氏理论; 交替极性说
🧩 词语组成解析
🗣️ 情景例句
What channel?
哪个频道？
One should travel out of his own country at least once.
我们至少应该离开自己的国度去旅行一次。
She got up before 7 o'clock in the morning, and quickly washed her hands and face.
00以前起床，快快地洗手洗脸。