Electrotellurograph
大地电流测定器
🗣️ 情景例句
She is sleeping here so she won't have to travel from Riverdale in the morning.
她晚上住在这儿，免得早上从Riverdale赶过来。
When the tree is fallen, every one runs to it with his axe.
大树一倒下，人人持斧来。
Please don't touch the machines.
请不要摸这些机器。