Integrometer
惯性矩面积仪
🗣️ 情景例句
5, 6, 7, go right, 1, 2, back, 5 6 7
向右 1 2 后退
One good turn deserves another.
以德报德。
It looks like the moon. There are many different kinds of mooncakes.
它看起来像月亮。月饼的种类很多。