📖 Marvelous Medical Inventions

This book contains many important medical inventions, and facts about what they do, who invented them, when they were invented, and how they work. A couple inventions that this book talks about are the Band-Aid, X-Ray, braces, and wheelchairs.

这本书包含了许多重要的医学发明,以及它们的作用、发明者、发明时间以及它们如何 工作的事实。这本书谈到的几个发明包括创可贴、X 射线、牙套和轮椅等。 G4. Ella 1. The Water and the Wild 2. Nosy Parker 3. Twelfth 4. Yonder