seismograph

n instrument for detecting earthquakes and recording how strong they are and how long they last 地震仪.

seek out, seek to, seem, seem to (do), seem to be, seeming, seemingly, seemliness, seemly, seen, seep, seepage, seersucker, seethe, segment, segmentation, segregate, segregation, Seine, seismic, seismologist, seismology, seismometer, seize, seize hold of, seize sb. by the, seizure, seldom, select, select committee, selection, selection committee, selective, selective service, selectively, selectivity, selector, selenium, selenium cell, self,