Ditan
二苯基甲烷
🗣️ 情景例句
She exchanged a few words with the foreigner.
她和那个外国人交谈了几句。
The mother's heart is the child's schoolroom.
母亲的心肠是孩子的课堂。
which I found most helpful on the cross-country journey, but which I did not think I should need on the last stage.
在乡间行车途中，我觉得它非常有用，但快到家了，我倒觉得它没什么用了。