Gyrotropy
回旋磁性
🗣️ 情景例句
Does this come with a certificate of authenticity?
这有鉴定证明吗？
Would you help me remove the refrigerator?
能帮忙移一下冰箱吗？
Why, you may wonder, should spiders be our friends?
你可能会觉得奇怪， 蜘蛛怎么会是我们的朋友呢？