Electrotellurograph
大地电流测定器
🗣️ 情景例句
and it is on a half-acre lot.
用地半英亩。
What's the date today?
今天几号？
and at the most critical juncture we took turns in watching that point.
在最紧急的时刻，我们轮流监视那段河流的险情。