Electrotellurograph
大地电流测定器
🗣️ 情景例句
When I watch sad movies I get really depressed.
当我看悲伤的电影时，我常常很难过。
Scientists contribute to the well-being of mankind.
科学家为人类造福。
Every time a worker gave up his job, he told the same story.
每次雇工辞职后都叙述着同样的故事。