Fluomethane
氟代甲烷
🗣️ 情景例句
He watches the CCTV news at 7:00 P.M. everyday.
他每晚 7 点都收看“中央电视台”的新闻联播。
As a man lives,so shall he die.
有生必有死。
One case concerns and eleven-year-old schoolgirl, Vera Petrova,
其中有一例谈到有一个名叫维拉。彼托洛娃的11岁学生。