Magnachrome
玛格纳二色电影胶片法
🗣️ 情景例句
I love you with all my heart.
我全心全意爱你。
In secondary school, children study mathmatic、phsicas and chemistry.
中学的小孩会读到数学、物理和化学。
Built in 1885, it was the oldest car taking part.
该车造于1885年，是参赛车中最老的一辆。