Magnetron
n. 磁控管\\n[化] 磁控管
🏥 医学释义
磁控电子管
🗣️ 情景例句
My eyesight is perfect.
我的视力挺棒。
So let us all welcome him to the podium.
让我们欢迎琼斯先生上台演讲。
Libraries made education possible, and education in its turn added to libraries: the growth of knowledge followed a kind of compound interest law, which was greatly enhanced by the invention of printing.
藏书使教育成为可能，而教育反过来又丰富了藏书，因为知识的增长遵循着一种“滚雪球”的规律。印刷术的发明又大大提高了知识增长的速度。