Microspecimen
磨片; 微观磨片
🗣️ 情景例句
Have you?
你呢？
By falling we learn to go safely.
吃一堑，长一智。
As Earth-dwellers, we always cherish the hope that we will be visited by little green men and that we will be able to communicate with them.
小绿人来拜访我们，而我们可以和他们交流。