Dead-reckoning
航位推算法
🧩 词语组成解析
dead
[dɛd]
adj. 死去的;完全的;无感觉的;呆板的;
adv. 完全地;非常;绝对;极度;
n. 死者;（死一样的）寂静;极寒时候;
reckoning
[['rekəniŋ]]
n. 计算, 算帐, 清算\\n[经] 计算, 算帐, 估计
🗣️ 情景例句
That's wrong.
这是错的。
How fast?
多快？
When it has been decided where we are going to drill, we put up at the surface an oil derrick.
当确定钻孔地点后，我们就在那里竖起一个井架。