Geolograph
钻速记录仪, 地质记录器
🔁 扩展释义
【经】 钻速及钻时记录
🗣️ 情景例句
and he kept talking about having a house of our own.
他老说要有自己的家。
How old do you have to be to vote in the national elections?
你要多大才能在大选中投票？
After he had put it on the floor, he promptly went to sleep again.
他把床垫往地板上一放，很快又睡着了。