Electrotellurograph
大地电流测定器
🗣️ 情景例句
using as many letters as possible.
尽可能多用字母，
No practice, no gain in one's wit.
吃一堑，长一智。
The tree has grown against a warm wall on a sheltered side of the house.
那棵树是靠着房子有遮挡的一面暖墙生长的。