Trithionate
连三硫酸盐
🗣️ 情景例句
She majored in math and physics at university.
她在大学里主修数学和物理。
Teacher. He is teaching.
老师。正在教书。
The officer in the control tower was very angry when he heard the news,
控制塔上的官员得知这一消息后，非常气愤，