Gross crystalline imperfections like twinning are apparent to the unaided eye.粗的晶体不完整性,如孪生体可用肉眼看出.Really focus in and find your wobbles , jerkiness , effort, and imperfections.真正的专注,要发现自己的晃动 、 急拉等动作, 找出正确和不足的地方.Electron ...
He was admitted as a member of the Communist Youth League.他入团了.We are members of the Communist Youth League.我们是共青团员.He was there when the split occurred in the Kuomintang - Communist alliance.国共分裂时他正好在那里....