eventin
常见例句
- launch a rocket with a crew of men to the moonthis year.The rocket will do some scientificresearch and experiment on the orbit. probablywill land on the moon.That＇s a great eventin space.
中国上周二宣布今年将要发射载人火箭到月球.;火箭将在轨道上做一系列的科学研究和实验 返回 eventin