Ditan
二苯基甲烷
🗣️ 情景例句
Sure. Where are you going?
当然。您要去哪里？
Her blouse is behind the desk.
她的上衣在书桌后面。
Next Annie took me by the hand and taught me how to jump.
接着，她又拉着我的手，教我如何跳。