Reluctometer
磁阻签质仪(检查钢制品质量)
🗣️ 情景例句
Many people doubt this candidate's political motivation.
许多人对这位候选人的政治目的表示怀疑。
Which one is more delicious.
哪一个是比较好吃的？
Have you had any breakfast yet?
你吃过早餐了吗？