Optacon
n. 奥普特康盲人电子阅读仪
🗣️ 情景例句
Any stocks or bonds?
有股票或债券吗？
Do you usually play piano during the holidays?
你通常在假日期间弹钢琴吗？
Education, with its cycles of instruction so carefully worked out,
教育，以其教学周期如此精心地安排，