Biforous
双孔的
🗣️ 情景例句
I have no time for extra-curricular activities.
我可没时间参加课外活动。
I want to welcome you all here for the fourth annual meeting of our Asian sales staff.
欢迎所有来参加我们亚洲推销员第四届年会的代表。
Neither of us spoke during the journey.
旅途中我们谁也没讲话。