seismograph
/ˈsaɪzməˌɡɹæf/
An instrument that measures and records movements of the ground.
“The seismograph recorded small shakes hours before the main earthquake.”
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/ˈsaɪzməˌɡɹæf/
An instrument that measures and records movements of the ground.
“The seismograph recorded small shakes hours before the main earthquake.”
添加到 My Deck