单词	trough compass
释义	trough compass 长盒磁针
随便看	significance of literary history significance of literature significance of methodology significance of micro-statistics Significance of Mo prospecting significance of practice significance of prospecting coal significance of research significance of ruling by law significance of subject significance of sublanguage significance of suffer and relief significance of teaching Significance of the attribute significance of the compensation significance of the research significance of the study significance of time significance of training significance of transmission significance of variations significance or implication significance point Significance presents significance principle