Conicograph
二次曲线规
🗣️ 情景例句
Mary, what's your favorite sport?
玛丽，你最喜欢什么运动？
Great designs require great consideration.
宏伟的计划须要慎重考虑。
While the five babies were babies were still quietly sleeping in oxygen tents in hospital nursery,
眼下，五胞胎还静静地躺在医院婴儿室的氧气帐里，